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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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Including CVEs outside Waratek scope✕
Overview 7 matches · 0 exploited · 0 CISA KEV · 1 public PoC · 1 EPSS ≥ 0.5
7matches 0exploited0.0% 0CISA KEV0.0% 1public PoC14.3% 1EPSS ≥ 0.514.3%
Protected by Waratek 7 100.0% Rule in development 0 0.0% Mitigation candidate 0 0.0% No exploit published 0 0.0% Outside Waratek scope 0 0.0% Not applicable 0 0.0% Withdrawn CVE 0 0.0%
Critical 0 0.0% High 7 100.0% Medium 0 0.0% Low 0 0.0% None 0 0.0% Unknown 0 0.0%
blocked by ARMR today 7 100.0% partly blocked 0 0.0% not blocked 0 0.0% not established 0 0.0% unrecorded 0 0.0%
Exploited 0 0.0% Working exploit published 1 14.3% Proof of concept only 0 0.0% Forecast only 0 0.0% No public exploit 6 85.7%
split by peak 2 / month
Protected by Waratek: 7 High: 7 blocked by ARMR today: 7 No public exploit: 6Working exploit published: 1
Aug 191 Protected by Waratek1 High1 blocked by ARMR today1 No public exploit1 Sep 190 Oct 190 Nov 190 Dec 191 Protected by Waratek1 High1 blocked by ARMR today1 No public exploit1 Jan 200 Feb 200 Mar 200 Apr 200 May 200 Jun 201 Protected by Waratek1 High1 blocked by ARMR today1 No public exploit1 Jul 200 Aug 200 Sep 201 Protected by Waratek1 High1 blocked by ARMR today1 No public exploit1 Oct 200 Nov 202 Protected by Waratek2 High2 blocked by ARMR today2 Working exploit published1 No public exploit1 Dec 201 Protected by Waratek1 High1 blocked by ARMR today1 No public exploit1
Aug 19Oct 19Dec 19Feb 20Apr 20Jun 20Aug 20Oct 20Dec 20
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-2020-25649 High 2020-12-03 Protected by Waratek No public exploit A flaw was found in FasterXML Jackson Databind, where it did not have entity expansion secured properly. This flaw allows vulnerability to XML external entity (XXE) attacks. The highest threat from this vulnerability is data integrity.
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-2019-17566 High 2020-11-12 Protected by Waratek No public exploit Apache Batik is vulnerable to server-side request forgery, caused by improper input validation by the "xlink:href" attributes. By using a specially-crafted argument, an attacker could exploit this vulnerability to cause the underlying server to make arbitrary GET requests.
CVE-2020-24750 High 2020-09-17 Protected by Waratek No public exploit FasterXML jackson-databind 2.x before 2.9.10.6 mishandles the interaction between serialization gadgets and typing, related to com.pastdev.httpcomponents.configuration.JndiConfiguration.
CVE-2020-14195 High 2020-06-16 Protected by Waratek No public exploit FasterXML jackson-databind 2.x before 2.9.10.5 mishandles the interaction between serialization gadgets and typing, related to org.jsecurity.realm.jndi.JndiRealmFactory (aka org.jsecurity).
CVE-2017-18640 High 2019-12-12 Protected by Waratek No public exploit The Alias feature in SnakeYAML before 1.26 allows entity expansion during a load operation, a related issue to CVE-2003-1564.
CVE-2019-10086 High 2019-08-20 Protected by Waratek No public exploit In Apache Commons Beanutils 1.9.2, a special BeanIntrospector class was added which allows suppressing the ability for an attacker to access the classloader via the class property available on all Java objects. We, however were not using this by default characteristic of the PropertyUtilsBean.