Is CVE-2020-7961 actively exploited?

Yes. CVE-2020-7961 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2020-7961 be exploited remotely?

The attack vector of CVE-2020-7961 has not been classified yet.

What is the CVSS score of CVE-2020-7961?

CVE-2020-7961 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2020-7961

HIGHCISA KEVIN THE WILD

CVE-2020-7961

Published: November 3, 2021

EPSS:94.35%probability of exploitation in 30 daysPercentile:100.0th

Official Description

Liferay Portal contains a deserialization of untrusted data vulnerability that allows remote attackers to execute code via JSON web services.

NVD Source

CISA KEV Advisory

Liferay Portal Deserialization of Untrusted Data Vulnerability

Liferay Portal contains a deserialization of untrusted data vulnerability that allows remote attackers to execute code via JSON web services.

Added to KEV: 2021-11-03Federal patch deadline: 2022-05-03

Required Action (CISA)

Apply updates per vendor instructions.

Risk Analysis

Liferay Portal is vulnerable to deserialization of untrusted data via JSON web services, which can lead to remote code execution. The high EPSS score of 0.94352 indicates a very high likelihood of exploitation, making this a critical issue.

This vulnerability is actively exploited in the wild and is included in CISA's KEV catalog. Its remote exploitability via JSON web services makes it a significant threat.

Recommended Action

Update Liferay Portal to a patched version to mitigate the deserialization vulnerability and prevent remote code execution through JSON web services.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2020-7961 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2020-7961 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.