Is CVE-2021-30116 actively exploited?

Yes. CVE-2021-30116 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2021-30116 be exploited remotely?

The attack vector of CVE-2021-30116 has not been classified yet.

What is the CVSS score of CVE-2021-30116?

CVE-2021-30116 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2021-30116

HIGHCISA KEVIN THE WILD

CVE-2021-30116

Published: November 3, 2021

EPSS:53.08%probability of exploitation in 30 daysPercentile:97.9th

Official Description

Kaseya Virtual System/Server Administrator (VSA) contains an information disclosure vulnerability allowing an attacker to obtain the sessionId that can be used to execute further attacks against the system.

NVD Source

CISA KEV Advisory

Kaseya Virtual System/Server Administrator (VSA) Information Disclosure Vulnerability

Added to KEV: 2021-11-03Federal patch deadline: 2021-11-17⚠ USED IN RANSOMWARE CAMPAIGNS

Required Action (CISA)

Apply updates per vendor instructions.

Risk Analysis

This information disclosure vulnerability in Kaseya Virtual System/Server Administrator (VSA) allows an attacker to obtain a session ID, which can then be used for further attacks. With an EPSS score of 0.53077, there is a high likelihood of exploitation. Its presence in CISA's KEV catalog confirms it is a critical threat.

This vulnerability has been actively exploited in the wild and is listed in CISA's Known Exploited Vulnerabilities catalog. Exploitation involves obtaining a session ID to facilitate subsequent attacks.

Recommended Action

Kaseya VSA administrators should apply the latest security updates. Implement strong authentication mechanisms and monitor for suspicious session activity.

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-2021-30116 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-2021-30116 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.