`CVE-2020-2659` Oracle Java SE

Affected software	Oracle Java SE
Affected versions	Java SE: 7u241, 8u231; Java SE Embedded: 8u231
Severity	3.7 Low CVSS 3.1 3 scores
Fixed in	Oracle Critical Patch Update January 2020
Published	15 Jan 2020
Updated	17 Jun 2026

Description

Vulnerability in the Java SE, Java SE Embedded product of Oracle Java SE (component: Networking). Supported versions that are affected are Java SE: 7u241 and 8u231; Java SE Embedded: 8u231. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Java SE, Java SE Embedded. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Java SE, Java SE Embedded. Note: This vulnerability applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets (in Java SE 8), that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. This vulnerability can also be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs. CVSS 3.0 Base Score 3.7 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L).

Exploitation status

No public exploit

No exploit has been reported in the sources we check. Published 6 years ago.

CISA KEV not listed
VulnCheck KEV not listed
CISA Vulnrichment exploitation: none
Indexed PoC none indexed
EPSS 4.2% chance in 30 days

Waratek protection

No exploit published

Within Waratek scope. In the sources we check, nobody has published exploit code for this CVE or reported it being exploited.

This is a proprietary Oracle product. Oracle's security advisory is the source of public detail for this CVE.

Protection none
Action not pursued
Review human Researcher
Record active

Decided by	Manual classification of this CVE in the legacy dataset
Finding	A manual classification set this CVE's status to No source fix or exploit.

Decided by

Manual classification of this CVE in the legacy dataset

Finding

A manual classification set this CVE's status to No source fix or exploit.

CVSS

3.7 LOW v3.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L 3 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 3.7 LOW CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L NVD Primary published

CVSS 3.0 3.7 LOW CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L secalert_us@oracle.com Secondary

CVSS 2.0 4.3 none AV:N/AC:M/Au:N/C:N/I:N/A:P NVD Primary

Version	Score	Band	Vector	Assigner	Type
CVSS 3.1	3.7	LOW	`CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L`	NVD	Primary	published
CVSS 3.0	3.7	LOW	`CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L`	secalert_us@oracle.com	Secondary
CVSS 2.0	4.3	none	`AV:N/AC:M/Au:N/C:N/I:N/A:P`	NVD	Primary

Affected software and releases

Oracle advisories

Advisory	Type	Quarter	Products Oracle names in its risk matrix
Oracle Critical Patch Update January 2020 ↗	CPU	2020-Q1	Oracle Java SE / Networking (Java SE: 7u241, 8u231; Java SE Embedded: 8u231) Oracle's note: This vulnerability applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets (in Java SE 8), that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. This vulnerability can also be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs.

Advisory

Type

Quarter

Products Oracle names in its risk matrix

Oracle Critical Patch Update January 2020 ↗

CPU

2020-Q1

Oracle Java SE / Networking (Java SE: 7u241, 8u231; Java SE Embedded: 8u231)
Oracle's note: This vulnerability applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets (in Java SE 8), that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. This vulnerability can also be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs.

Oracle components and versions

Family	Component	Versions, as Oracle lists them	Read as
Oracle Java SE	Networking	Java SE: 7u241, 8u231; Java SE Embedded: 8u231	7.0.241.0 · 8.0.231.0

Family

Component

Versions, as Oracle lists them

Read as

Oracle Java SE

Networking

Java SE: 7u241, 8u231; Java SE Embedded: 8u231

7.0.241.0 · 8.0.231.0

Products and versions

23 products, 52 version entries

Source	Vendor	Product	Scheme	Affected versions
nvd	canonical	ubuntu linux	generic	16.04 · 18.04 · 19.10
nvd	debian	debian linux	generic	8.0 · 9.0
nvd	netapp	active iq unified manager	generic	≥ 7.3 · ≥ 9.5
nvd	netapp	e-series performance analyzer	generic	any version
nvd	netapp	e-series santricity management plug-ins	generic	any version
nvd	netapp	e-series santricity os controller	generic	≥ 11.0.0 and ≤ 11.60.1
nvd	netapp	e-series santricity storage manager	generic	any version
nvd	netapp	e-series santricity web services proxy	generic	any version
nvd	netapp	oncommand insight	generic	any version
nvd	netapp	oncommand workflow automation	generic	any version
nvd	netapp	santricity unified manager	generic	any version
nvd	netapp	steelstore cloud integrated storage	generic	any version
nvd	opensuse	leap	generic	15.1
nvd	oracle	jdk	javase	1.7.0:update241 · 1.8.0:update231
nvd	oracle	jre	javase	1.8.0:update231
nvd	oracle	openjdk	javase	7 · 7:update80 · 7:update85 · 7:update241 · 8 · 8:update20 · 8:update40 · 8:update60 · 8:update66 · 8:update72 · 8:update92 · 8:update102 · 8:update112 · 8:update152 · 8:update162 · 8:update172 · 8:update192 · 8:update202 · 8:update212 · 8:update222 · 8:update232
nvd	redhat	enterprise linux	generic	8.0
nvd	redhat	enterprise linux desktop	generic	6.0 · 7.0
nvd	redhat	enterprise linux eus	generic	7.7 · 8.1
nvd	redhat	enterprise linux server	generic	6.0 · 7.0
nvd	redhat	enterprise linux server aus	generic	7.7
nvd	redhat	enterprise linux server tus	generic	7.7
nvd	redhat	enterprise linux workstation	generic	6.0 · 7.0

Source

Vendor

Product

Scheme

Affected versions

nvd

canonical

ubuntu linux

generic

16.04 · 18.04 · 19.10

nvd

debian

debian linux

generic

8.0 · 9.0

nvd

netapp

active iq unified manager

generic

≥ 7.3 · ≥ 9.5

nvd

netapp

e-series performance analyzer

generic

any version

nvd

netapp

e-series santricity management plug-ins

generic

any version

nvd

netapp

e-series santricity os controller

generic

≥ 11.0.0 and ≤ 11.60.1

nvd

netapp

e-series santricity storage manager

generic

any version

nvd

netapp

e-series santricity web services proxy

generic

any version

nvd

netapp

oncommand insight

generic

any version

nvd

netapp

oncommand workflow automation

generic

any version

nvd

netapp

santricity unified manager

generic

any version

nvd

netapp

steelstore cloud integrated storage

generic

any version

nvd

opensuse

leap

generic

15.1

nvd

oracle

jdk

javase

1.7.0:update241 · 1.8.0:update231

nvd

oracle

jre

javase

1.8.0:update231

nvd

oracle

openjdk

javase

7 · 7:update80 · 7:update85 · 7:update241 · 8 · 8:update20 · 8:update40 · 8:update60 · 8:update66 · 8:update72 · 8:update92 · 8:update102 · 8:update112 · 8:update152 · 8:update162 · 8:update172 · 8:update192 · 8:update202 · 8:update212 · 8:update222 · 8:update232

nvd

redhat

enterprise linux

generic

8.0

nvd

redhat

enterprise linux desktop

generic

6.0 · 7.0

nvd

redhat

enterprise linux eus

generic

7.7 · 8.1

nvd

redhat

enterprise linux server

generic

6.0 · 7.0

nvd

redhat

enterprise linux server aus

generic

7.7

nvd

redhat

enterprise linux server tus

generic

7.7

nvd

redhat

enterprise linux workstation

generic

6.0 · 7.0

Earlier manual review

A reviewer classified this CVE in an older dataset. We kept the labels and products below, but not the reviewer's reasoning.

## Manual Classification Context **Labels:** NETWORKING, MULTIPLE, SEE NOTE 1, NO AUTH REMOTE EXPLOIT **Products:** JAVA SE EMBEDDED, OPENJDK, JAVA SE, ORACLE JAVA SE

References

URL	Tags
https://access.redhat.com/errata/RHSA-2020:0157	ADVISORY, RHSA-2020:0157
https://access.redhat.com/security/cve/CVE-2020-2659	REPORT, RHSA-2020:0157
https://access.redhat.com/errata/RHSA-2020:0196	ADVISORY, RHSA-2020:0196
https://access.redhat.com/errata/RHSA-2020:0202	ADVISORY, RHSA-2020:0202
https://access.redhat.com/errata/RHSA-2020:0231	ADVISORY, RHSA-2020:0231
https://access.redhat.com/errata/RHSA-2020:0465	ADVISORY, RHSA-2020:0465
https://access.redhat.com/errata/RHSA-2020:0469	ADVISORY, RHSA-2020:0469
https://access.redhat.com/errata/RHSA-2020:0470	ADVISORY, RHSA-2020:0470
https://access.redhat.com/errata/RHSA-2020:0541	ADVISORY, RHSA-2020:0541
https://access.redhat.com/errata/RHSA-2020:0632	ADVISORY, RHSA-2020:0632

URL

Timeline

Published	2020-01-15	By the CVE Program.
NVD record modified	2026-06-17	NVD's own last-modified date for this record.

Published

2020-01-15

By the CVE Program.

NVD record modified

2026-06-17

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

How VRT decided (5 of 24 rules ran)

5 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 no match An ARMR patch file on disk for this CVE

3 armr-secure-rule-file no match An ARMR security-rule template on disk for this CVE

4 manual-classification no match A researcher's recorded decision for this specific CVE

5 manual classification decided it matched No exploit published Found in legacy manual classifications

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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