CVE & CISA-KEV Catalog

CVE-2020-2604

HIGHEPSS 91th pctl
8.1
CVSS v3
NVD

Description

Vulnerability in the Java SE, Java SE Embedded product of Oracle Java SE (component: Serialization). Supported versions that are affected are Java SE: 7u241, 8u231, 11.0.5 and 13.0.1; 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 takeover 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 v3.0 Base Score 8.1 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H).

CWE-502Deserialization of Untrusted Data

How to fix

Remediation Available
openjdk-11Debian
Fixed in:11.0.6+10-1CVE-2020-2604
Fixed in:11.0.6+10-1CVE-2020-2604
openjdk-11-jdkUbuntu
Fixed in:11.0.6+10-1ubuntu1~18.04.1USN-4257-1
openjdk-11-jreUbuntu
Fixed in:11.0.6+10-1ubuntu1~18.04.1USN-4257-1
openjdk-11-jre-headlessUbuntu
Fixed in:11.0.6+10-1ubuntu1~18.04.1USN-4257-1
openjdk-11-jre-zeroUbuntu
Fixed in:11.0.6+10-1ubuntu1~18.04.1USN-4257-1
openjdk-8Ubuntu
Fixed in:8u242-b08-0ubuntu3~16.04USN-4257-1
Fixed in:8u242-b08-0ubuntu3~18.04USN-4257-1
openjdk-8-jdkUbuntu
Fixed in:8u242-b08-0ubuntu3~16.04USN-4257-1
Fixed in:8u242-b08-0ubuntu3~18.04USN-4257-1
openjdk-8-jreUbuntu
Fixed in:8u242-b08-0ubuntu3~16.04USN-4257-1
Fixed in:8u242-b08-0ubuntu3~18.04USN-4257-1
openjdk-8-jre-headlessUbuntu
Fixed in:8u242-b08-0ubuntu3~16.04USN-4257-1
Fixed in:8u242-b08-0ubuntu3~18.04USN-4257-1
openjdk-8-jre-jamvmUbuntu
Fixed in:8u242-b08-0ubuntu3~16.04USN-4257-1
openjdk-8-jre-zeroUbuntu
Fixed in:8u242-b08-0ubuntu3~16.04USN-4257-1
Fixed in:8u242-b08-0ubuntu3~18.04USN-4257-1
openjdk-ltsUbuntu
Fixed in:11.0.6+10-1ubuntu1~18.04.1USN-4257-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityHigh
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

4.90%probability of exploitation in 30 days
91stpercentile

High risk: more likely to be exploited than 91% of all known CVEs.

References

Related Vulnerabilities

Other CWE-502 (Deserialization of Untrusted Data) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2023-0669High7.2100%KEV + RansomFix
CVE-2021-44228Critical10.0100%KEV + RansomFix
CVE-2021-35464Critical9.8100%KEV + RansomFix
CVE-2023-29300Critical9.8100%KEV + Ransom-
CVE-2025-53770Critical9.8100%KEV + RansomFix
CVE-2022-47986Critical9.8100%KEV + Ransom-
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.