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CRITICAL · CVSS 9.8 CISA Known Exploited Vulnerability

CVE-2024-12356

BeyondTrust Privileged Remote Access (PRA) and Remote Support (RS) Command Injection Vulnerability

BeyondTrust Privileged Remote Access (PRA) and Remote Support (RS)

A critical vulnerability has been discovered in Privileged Remote Access (PRA) and Remote Support (RS) products which can allow an unauthenticated attacker to inject commands that are run as a site user.

CVSS
9.8
CRITICAL
EPSS
87.4%
30-day exploitation
Ransomware groups
0
recorded exploiting
Published
17 Dec 2024
CWE-77

Exploitation status

CISA Known Exploited Vulnerabilities

Listed by CISA on 19 December 2024. US federal agencies were required to remediate it by 27 December 2024.

EPSS — exploitation probability

FIRST puts the probability of exploitation activity in the next 30 days at 87.4%, which is higher than 99.8% of all scored vulnerabilities. EPSS is a forecast of activity, not a measure of severity, and it is rescored daily.

CVSS vector

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

Frequently asked questions

Is CVE-2024-12356 being exploited by ransomware groups?

No ransomware group in this database is currently recorded as exploiting CVE-2024-12356.

What does CVE-2024-12356 affect?

CVE-2024-12356 affects BeyondTrust Privileged Remote Access (PRA) and Remote Support (RS). A critical vulnerability has been discovered in Privileged Remote Access (PRA) and Remote Support (RS) products which can allow an unauthenticated attacker to inject commands that are run as a site user.

How severe is CVE-2024-12356?

CVE-2024-12356 is rated CRITICAL with a CVSS base score of 9.8. EPSS puts the probability of exploitation in the next 30 days at 87.4%, higher than 99.8% of all scored vulnerabilities. It is listed in the CISA Known Exploited Vulnerabilities catalog, with a federal remediation deadline of 27 December 2024.

How should organisations respond to CVE-2024-12356?

Apply the vendor patch for BeyondTrust Privileged Remote Access (PRA) and Remote Support (RS) as the first priority, and treat any internet-facing instance as the most urgent. Because this vulnerability is associated with ransomware activity, also review whether the affected systems were reachable before patching, rather than assuming that patching alone closes the incident.