`CVE-2020-14882` Oracle WebLogic Server

Affected software	Oracle WebLogic Server
Affected versions	10.3.6.0.0, 12.1.3.0.0, 12.2.1.3.0, 12.2.1.4.0, 14.1.1.0.0
Severity	9.8 Critical CVSS 3.1 2 scores
Fixed in	Oracle Critical Patch Update October 2020
Published	21 Oct 2020
Updated	13 Nov 2026

Description

Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Console). Supported versions that are affected are 10.3.6.0.0, 12.1.3.0.0, 12.2.1.3.0, 12.2.1.4.0 and 14.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

Exploitation status

Exploited

Confirmed real-world exploitation.

CISA KEV listed Confirmed exploitation in the wild. Added 2021-11-03 · remediation due 2022-05-03 · ransomware use: unknown
VulnCheck KEV listed Exploitation reported in the wild. 39 citations · honeypot sightings · 44 exploits · earliest 2020-11-02.
CISA Vulnrichment exploitation: active CISA records active exploitation. Automatable: yes, technical impact: total.
Indexed PoC 33 indexed Published artifacts you can open, in Exploit-DB, GitHub PoC, Metasploit, Nuclei; first seen 2020-04-01.
EPSS 99.9% chance in 30 days A model's forecast, not a report of exploitation. Higher than 99.9% of all scored CVEs.

VulnCheck KEV

Exploitation evidence from VulnCheck Known Exploited Vulnerabilities (VulnCheck KEV), used under VulnCheck's community terms. View CVE-2020-14882 in VulnCheck (free account), which lists 34 more citations and 39 more exploit references not shown here.

Evidence	Source	Detail	Date
Honeypot sighting	SANS DShield sensors	Exploitation attempts seen on 1 day	2020-11-02
Honeypot sighting	Shadowserver honeypots	Exploitation attempts seen on 789 days	2023-11-23 to 2026-11-12
Reported exploitation	blog.netlab.360.com	/necro-upgrades-again-using-tor-dynamic-domain-dga-and-aiming-at-both-windows-linux	2021-03-18
Reported exploitation	blogs.juniper.net	/en-us/threat-research/sysrv-botnet-expands-and-gains-persistence	2021-04-08
Reported exploitation	lacework.com	/blog/sysrv-hello-expands-infrastructure	2021-04-22
Reported exploitation	bleepingcomputer.com	/news/security/new-cryptomining-malware-builds-an-army-of-windows-linux-bots	2021-04-24
Reported exploitation	ncsc.gov.uk	/files/Advisory%20Further%20TTPs%20associated%20with%20SVR%20cyber%20actors.pdf	2021-05-07
Exploit reference	VulnCheck XDB c05a01763211	Exploit type: initial-access	2020-04-01
Exploit reference	VulnCheck XDB 78305831909c	Exploit type: initial-access	2020-10-28
Exploit reference	VulnCheck XDB da9f3f6e7e1f	Exploit type: initial-access	2020-10-28
Exploit reference	VulnCheck XDB 1219b099cdb5	Exploit type: initial-access	2020-10-29
Exploit reference	VulnCheck XDB 65ab3b9c2eba	Exploit type: initial-access	2020-10-29

Evidence

Source

Detail

Date

Honeypot sighting

SANS DShield sensors

Exploitation attempts seen on 1 day

2020-11-02

Honeypot sighting

Shadowserver honeypots

Exploitation attempts seen on 789 days

2023-11-23 to 2026-11-12

Reported exploitation

blog.netlab.360.com

/necro-upgrades-again-using-tor-dynamic-domain-dga-and-aiming-at-both-windows-linux

2021-03-18

Reported exploitation

blogs.juniper.net

/en-us/threat-research/sysrv-botnet-expands-and-gains-persistence

2021-04-08

Reported exploitation

lacework.com

/blog/sysrv-hello-expands-infrastructure

2021-04-22

Reported exploitation

bleepingcomputer.com

/news/security/new-cryptomining-malware-builds-an-army-of-windows-linux-bots

2021-04-24

Reported exploitation

ncsc.gov.uk

/files/Advisory%20Further%20TTPs%20associated%20with%20SVR%20cyber%20actors.pdf

2021-05-07

Exploit reference

VulnCheck XDB c05a01763211

Exploit type: initial-access

2020-04-01

Exploit reference

VulnCheck XDB 78305831909c

Exploit type: initial-access

2020-10-28

Exploit reference

VulnCheck XDB da9f3f6e7e1f

Exploit type: initial-access

2020-10-28

Exploit reference

VulnCheck XDB 1219b099cdb5

Exploit type: initial-access

2020-10-29

Exploit reference

VulnCheck XDB 65ab3b9c2eba

Exploit type: initial-access

2020-10-29

Index	Artifact	Stars	First seen
GitHub PoC	Exphub[漏洞利用脚本库] 包括Webloigc、Struts2、Tomcat、Nexus、Solr、Jboss、Drupal的漏洞利用脚本，最新添加CVE-2020-14882、CVE-2020-11444、CVE-2020-10204、CVE-2020-10199、CVE-2020-1938、CVE-2020-2551、CVE-2020-2555、CVE-2020-2883、CVE-2019-17558、CVE-2019-6340	4,297	2020-04-01
Nuclei	Oracle Weblogic Server - Remote Command Execution
Exploit-DB	Oracle WebLogic Server 12.2.1.0 - RCE (Unauthenticated)		2021-01-26
Metasploit	Oracle WebLogic Server Administration Console Handle RCE (excellent rank)
GitHub PoC	CVE-2020–14882、CVE-2020–14883	287	2020-10-28
GitHub PoC	CVE-2020-14882_ALL综合利用工具，支持命令回显检测、批量命令回显、外置xml无回显命令执行等功能。	144	2020-11-03
GitHub PoC	CVE-2020–14882 by Jang	29	2020-10-28
GitHub PoC	CVE-2020-14882/14883/14750	19	2020-11-04
GitHub PoC	CVE-2020-14882 Weblogic-Exp	17	2020-10-29
GitHub PoC	CodeTest信息收集和漏洞利用工具，可在进行渗透测试之时方便利用相关信息收集脚本进行信息的获取和验证工作，漏洞利用模块可选择需要测试的漏洞模块，或者选择所有模块测试，包含CVE-2020-14882, CVE-2020-2555等，可自己收集脚本后按照模板进行修改。	13	2020-12-30

Waratek protection

Protected by Waratek

Waratek has a rule that blocks attacks on this vulnerability.

Protection full Process
Action available patch rule
Review human ARMR file
Record active

Decided by	An ARMR patch file on disk for this CVE
Finding	CVE is covered by a multi-CVE ARMR patch rule

Decided by

An ARMR patch file on disk for this CVE

Finding

CVE is covered by a multi-CVE ARMR patch rule

ARMR rule files

1 file

The rule files Waratek ships for this CVE. Some CVEs need more than one, for example one per affected library or one per ARMR version.

CVE-2020-14882.armr patch rule, ARMR 2.6 added 2020-10-30 updated 2026-03-04

Waratek research note

written 2026-11-13

Written by a Waratek engineer who reviewed this CVE. Their decision sets the status above, ahead of every automated rule except a withdrawal.

Comments

Rule Name: - Process Forking

How to mitigate CVE-2020-14882

Apply the fix in Oracle Critical Patch Update October 2020. Until you can, Waratek RASP blocks exploitation with a rule written for this CVE. It runs inside the Java application, with no code changes.

Waratek RASP Runtime protection for Java applications

CVSS

9.8 CRITICAL v3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H 2 metrics

We show the highest score from the newest CVSS version. Scores from different versions can't be compared, and the first score listed is sometimes a 0.0 placeholder.

Version Score Band Vector Assigner Type

CVSS 3.1 9.8 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H secalert_us@oracle.com Secondary published

CVSS 2.0 10.0 none AV:N/AC:L/Au:N/C:C/I:C/A:C NVD Primary

Version	Score	Band	Vector	Assigner	Type
CVSS 3.1	9.8	CRITICAL	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`	secalert_us@oracle.com	Secondary	published
CVSS 2.0	10.0	none	`AV:N/AC:L/Au:N/C:C/I:C/A:C`	NVD	Primary

Affected software and releases

Oracle advisories

Advisory	Type	Quarter	Products Oracle names in its risk matrix
Oracle Critical Patch Update October 2020 ↗	CPU	2020-Q4	Oracle Fusion Middleware / Console (10.3.6.0.0, 12.1.3.0.0, 12.2.1.3.0, 12.2.1.4.0, 14.1.1.0.0)

Advisory

Type

Quarter

Products Oracle names in its risk matrix

Oracle Critical Patch Update October 2020 ↗

CPU

2020-Q4

Oracle Fusion Middleware / Console (10.3.6.0.0, 12.1.3.0.0, 12.2.1.3.0, 12.2.1.4.0, 14.1.1.0.0)

Oracle components and versions

Family	Component	Versions, as Oracle lists them	Read as
Oracle Fusion Middleware	Console	10.3.6.0.0, 12.1.3.0.0, 12.2.1.3.0, 12.2.1.4.0, 14.1.1.0.0	10.3.6.0.0 · 12.1.3.0.0 · 12.2.1.3.0 · 12.2.1.4.0 · 14.1.1.0.0

Family

Component

Versions, as Oracle lists them

Read as

Oracle Fusion Middleware

Console

10.3.6.0.0, 12.1.3.0.0, 12.2.1.3.0, 12.2.1.4.0, 14.1.1.0.0

10.3.6.0.0 · 12.1.3.0.0 · 12.2.1.3.0 · 12.2.1.4.0 · 14.1.1.0.0

Products and versions

1 product, 5 version entries

Source	Vendor	Product	Scheme	Affected versions
nvd	oracle	weblogic server	generic	10.3.6.0.0 · 12.1.3.0.0 · 12.2.1.3.0 · 12.2.1.4.0 · 14.1.1.0.0

Source

Vendor

Product

Scheme

Affected versions

nvd

oracle

weblogic server

generic

10.3.6.0.0 · 12.1.3.0.0 · 12.2.1.3.0 · 12.2.1.4.0 · 14.1.1.0.0

References

URL	Tags
http://packetstormsecurity.com/files/159769/Oracle-WebLogic-Server-Remote-Code-Execution.html	Exploit, Third Party Advisory, VDB Entry
http://packetstormsecurity.com/files/160143/Oracle-WebLogic-Server-Administration-Console-Handle-Remote-Code-Execution.html	Exploit, Third Party Advisory, VDB Entry
http://packetstormsecurity.com/files/161128/Oracle-WebLogic-Server-12.2.1.0-Remote-Code-Execution.html	Exploit, Third Party Advisory, VDB Entry
https://www.oracle.com/security-alerts/cpuoct2020.html	Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-14882	US Government Resource

URL

Timeline

Published	2020-10-21	By the CVE Program.
ARMR remediation created	2020-10-30	Earliest commit adding this CVE's ARMR patch or security rule.
VulnCheck KEV: earliest evidence	2020-11-02	Date of the oldest evidence of exploitation in VulnCheck KEV's record. VulnCheck does not publish the date it listed the CVE.
Added to CISA KEV	2021-11-03	Listed in CISA's Known Exploited Vulnerabilities catalog.
ARMR remediation last updated	2026-03-04	Most recent commit touching this CVE's ARMR patch or security rule.
NVD record modified	2026-06-17	NVD's own last-modified date for this record.
VulnCheck KEV: latest evidence	2026-11-12	Date of the newest report, exploit reference or honeypot sighting in VulnCheck KEV's record.
Classification created	2026-11-13	First commit adding this CVE's research note.
Last VRT activity	2026-11-13	Most recent commit touching this CVE's classification, patch or rule file.

Published

2020-10-21

By the CVE Program.

ARMR remediation created

2020-10-30

Earliest commit adding this CVE's ARMR patch or security rule.

VulnCheck KEV: earliest evidence

2020-11-02

Date of the oldest evidence of exploitation in VulnCheck KEV's record. VulnCheck does not publish the date it listed the CVE.

Added to CISA KEV

2021-11-03

Listed in CISA's Known Exploited Vulnerabilities catalog.

ARMR remediation last updated

2026-03-04

Most recent commit touching this CVE's ARMR patch or security rule.

NVD record modified

2026-06-17

NVD's own last-modified date for this record.

VulnCheck KEV: latest evidence

2026-11-12

Date of the newest report, exploit reference or honeypot sighting in VulnCheck KEV's record.

Classification created

2026-11-13

First commit adding this CVE's research note.

Last VRT activity

2026-11-13

Most recent commit touching this CVE's classification, patch or rule file.

How VRT decided (2 of 24 rules ran)

2 of 24 rules ran. The rest didn't run because an earlier rule had already settled the CVE.

# Rule Outcome Status Detail

identity: Does this identifier describe a vulnerability at all? the first rule that matches decides

1 rejected no match CVE Program withdrawal of this identifier

scope: Is it a vulnerability Waratek protects? the first rule that matches decides

2 armr-patch-file decided it matched Protected by Waratek Covered by ARMR patch: CVE-2020-14882.armr

3 armr-secure-rule-file not reached An ARMR security-rule template on disk for this CVE

4 manual-classification not reached A researcher's recorded decision for this specific CVE

5 manual classification not reached Manual classification of this CVE in the legacy dataset

6 non-java-upstream not reached A root cause in non-Java code: an OS kernel, a C library, or a bundled runtime

7 oracle-component not reached The defect being in a component of a tracked product the agent does not reach: JavaFX, the Java SE installer, the JInitiator browser plug-in, the native WebLogic proxy plug-in, or a native part of Oracle Application Server or Collaboration Suite (HTTP Server, Web Cache, Internet Directory, mail and calendar servers). Oracle gives these no CPE of their own and names them only in the description.

8 java-client-side not reached Oracle's own risk-matrix note saying the CVE is reached only through untrusted code in the Java sandbox (applets, Web Start) or only through a client installation of Java, so a server running its own trusted code is not exposed

9 osv-maven not reached An OSV.dev record of this CVE affecting a package published to Maven Central. When every such package is one business applications do not use (Minecraft mods and launchers, Fastjson) and no tracked product is named by CPE, it settles the CVE as Outside Waratek scope instead

10 cna-maven-package not reached An affected Maven artifact named by the CNA itself

11 known-cpe-product not reached An NVD CPE naming a product ARMR tracks

12 cna-cpe-product not reached A CPE the CNA published naming a tracked product. Oracle publishes these on advisory day, months before NVD.

13 oracle-advisory-family not reached A tracked product family named in Oracle's own risk matrix. CPE cannot carry a suite name, only a module.

14 cna-named-product not reached A tracked product named in words by the CVE's own CNA, on a record with no CPE yet. Apache and Eclipse publish these on advisory day, before NVD adds CPE data.

15 non-deployable-product not reached The only affected product being a sealed appliance image, where Java runs but no -javaagent can be attached

16 unmatched-product not reached No tracked product matched above, and none present at all

disposition: What do we do about one that is? every rule runs

17 patch-hint not reached A reference pointing at the upstream fix: a commit, a PR, a Red Hat bug

18 open-source-maven not reached The affected package being open source on Maven, so the fix can be read

19 poc-derivable not reached An indexed exploit clearing the evidence bar to reverse-engineer, where there is no source to read

20 no-exploit not reached Nothing to build a rule from yet: no published exploit, no CISA record of exploitation and no source-level change to read

21 secure-rule-match not reached A vulnerability class already blocked by an ARMR security rule

22 exploited-no-fix-or-poc not reached Somebody exploiting this CVE (a CISA or VulnCheck KEV listing, or a CISA verdict of active exploitation), with no fix, source code or PoC to build a rule from

23 below-action-threshold not reached Medium or Low severity, no CISA or VulnCheck KEV listing, no PoC clearing the evidence bar, no CISA verdict, no Oracle advisory

24 no-exploit-published not reached Exploit code for this candidate, published in a reviewed catalogue or a GitHub repository with 5 or more stars, or in use per CISA or VulnCheck; not only a CISA verdict, a forecast, or nothing at all

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