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Oracle Critical Patch Update April 2021

Released April 2021 · Oracle's advisory ↗ · ← Critical Patch Update, January 2021 · Critical Patch Update, July 2021 →

258 CVEs in this release, one square each

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Share this chart Oracle Critical Patch Update April 2021, one square per CVE: 137 Java CVEs, 19 protected by Waratek, 7 exploited, 121 other CVEs in this release.

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19Protected by Waratek3Mitigation candidate115No exploit published67Outside Waratek scope54Not applicable 7Exploited, marked by the ring

No exploit published. For 97 of them, Oracle's security advisory is the source of public detail.

Protected by Waratek. Waratek RASP can block exploitation of these on systems that have not applied the patch yet.

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Columns
Has a public PoC✕
Overview 7 matches · 4 protected · 3 exploited · 1 CISA KEV · 3 EPSS ≥ 0.5
7matches 4protected57.1% 3exploited42.9% 1CISA KEV14.3% 3EPSS ≥ 0.542.9%
Protected by Waratek 4 57.1% Rule in development 0 0.0% Mitigation candidate 3 42.9% No exploit published 0 0.0%
Critical 4 57.1% High 1 14.3% Medium 2 28.6% Low 0 0.0% None 0 0.0% Unknown 0 0.0%
blocked by ARMR today 4 57.1% partly blocked 0 0.0% not blocked 3 42.9% not established 0 0.0% unrecorded 0 0.0%
Exploited 3 42.9% Working exploit published 3 42.9% Proof of concept only 1 14.3% Forecast only 0 0.0% No public exploit 0 0.0%
split by peak 2 / quarter
Mitigation candidate: 3Protected by Waratek: 4 Medium: 2High: 1Critical: 4 not blocked: 3blocked by ARMR today: 4 Proof of concept only: 1Working exploit published: 3Exploited: 3
Q1 171 Protected by Waratek1 Medium1 blocked by ARMR today1 Working exploit published1 Q2 170 Q3 170 Q4 170 Q1 180 Q2 180 Q3 180 Q4 180 Q1 190 Q2 191 Mitigation candidate1 Medium1 not blocked1 Working exploit published1 Q3 190 Q4 190 Q1 200 Q2 201 Mitigation candidate1 Critical1 not blocked1 Exploited1 Q3 200 Q4 202 Protected by Waratek2 Critical1 High1 blocked by ARMR today2 Exploited1 Working exploit published1 Q1 210 Q2 212 Protected by Waratek1 Mitigation candidate1 Critical2 blocked by ARMR today1 not blocked1 Exploited1 Proof of concept only1
Q2 17Q4 17Q2 18Q4 18Q2 19Q4 19Q2 20Q4 20Q2 21
7 matches Sign in to download these CVEs as CSV or JSON, or to follow them in a feed.
CVE Severity Published▾ Status Exploitation Description
CVE-2021-2302 Critical 2021-04-22 Mitigation candidate Proof of concept only Vulnerability in the Oracle Platform Security for Java product of Oracle Fusion Middleware (component: OPSS). Supported versions that are affected are 11.1.1.9.0, 12.2.1.3.0 and 12.2.1.4.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Platform Security for Java. Successful attacks of this vulnerability can result in takeover of Oracle Platform Security for Java. 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).
CVE-2021-2135 Critical 2021-04-22 Protected by Waratek Exploited Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Coherence Container). Supported versions that are affected are 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 T3, IIOP 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).
CVE-2020-17530 Critical 2020-12-11 Protected by Waratek Exploited Forced OGNL evaluation, when evaluated on raw user input in tag attributes, may lead to remote code execution. Affected software : Apache Struts 2.0.0 - Struts 2.5.25.
CVE-2020-26217 High 2020-11-16 Protected by Waratek Working exploit published XStream before version 1.4.14 is vulnerable to Remote Code Execution.The vulnerability may allow a remote attacker to run arbitrary shell commands only by manipulating the processed input stream. Only users who rely on blocklists are affected. Anyone using XStream's Security Framework allowlist is not affected. The linked advisory provides code workarounds for users who cannot upgrade. The issue is fixed in version 1.4.14.
CVE-2020-9480 Critical 2020-06-23 Mitigation candidate Exploited In Apache Spark 2.4.5 and earlier, a standalone resource manager's master may be configured to require authentication (spark.authenticate) via a shared secret. When enabled, however, a specially-crafted RPC to the master can succeed in starting an application's resources on the Spark cluster, even without the shared key. This can be leveraged to execute shell commands on the host machine. This does not affect Spark clusters using other resource managers (YARN, Mesos, etc).
CVE-2019-0221 Medium 2019-05-28 Mitigation candidate Working exploit published The SSI printenv command in Apache Tomcat 9.0.0.M1 to 9.0.0.17, 8.5.0 to 8.5.39 and 7.0.0 to 7.0.93 echoes user provided data without escaping and is, therefore, vulnerable to XSS. SSI is disabled by default. The printenv command is intended for debugging and is unlikely to be present in a production website.
CVE-2016-5725 Medium 2017-01-19 Protected by Waratek Working exploit published Directory traversal vulnerability in JCraft JSch before 0.1.54 on Windows, when the mode is ChannelSftp.OVERWRITE, allows remote SFTP servers to write to arbitrary files via a ..\ (dot dot backslash) in a response to a recursive GET command.