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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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By status

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
Protection: None✕Has a public PoC✕
Overview 3 matches · 0 protected · 1 exploited · 0 CISA KEV · 1 EPSS ≥ 0.5
3matches 0protected0.0% 1exploited33.3% 0CISA KEV0.0% 1EPSS ≥ 0.533.3%
Protected by Waratek 0 0.0% Rule in development 0 0.0% Mitigation candidate 3 100.0% No exploit published 0 0.0%
Critical 2 66.7% High 0 0.0% Medium 1 33.3% Low 0 0.0% None 0 0.0% Unknown 0 0.0%
blocked by ARMR today 0 0.0% partly blocked 0 0.0% not blocked 3 100.0% not established 0 0.0% unrecorded 0 0.0%
Exploited 1 33.3% Working exploit published 1 33.3% Proof of concept only 1 33.3% Forecast only 0 0.0% No public exploit 0 0.0%
split by peak 1 / quarter
Mitigation candidate: 3 Medium: 1Critical: 2 not blocked: 3 Proof of concept only: 1Working exploit published: 1Exploited: 1
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 200 Q1 210 Q2 211 Mitigation candidate1 Critical1 not blocked1 Proof of concept only1
Q2 19Q3 19Q4 19Q1 20Q2 20Q3 20Q4 20Q1 21Q2 21
3 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-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.