What is CVE-2024-12356?

CVE-2024-12356 is a critical-severity vulnerability in Beyondtrust Privileged Remote Access, classified under Command Injection. CVSS score: 9.8/10. Published 2024-12-17.

How severe is CVE-2024-12356?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2024-12356 known to be exploited?

Yes. CVE-2024-12356 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2024-12-19), indicating it is being actively exploited. 9 public proof-of-concept repositories are indexed.

RCE in Beyondtrust Privileged Remote Access

CVE-2024-12356

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.

Vulnerability class: Command Injection (OS Command Injection)

Published 2024-12-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.873 (99.8th percentile), scored 2026-10-15.

High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.880 · newest: 0.873 · change: -0.007

Affected products

Beyondtrust Privileged Remote Access — versions 0
Beyondtrust Privileged Remote Access
Beyondtrust Remote Support — versions 0
Beyondtrust Remote Support

Weakness classification (CWE)

CWE-77 — Command Injection

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2024-12-19. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2024-12-27.

Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Public proof-of-concept exploits

References

13061848-ea10-403d-bd75-c83a022c2891 (US Government Resource, Third Party Advisory)
13061848-ea10-403d-bd75-c83a022c2891 (US Government Resource, Third Party Advisory)
13061848-ea10-403d-bd75-c83a022c2891 (Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Exploit, Third Party Advisory)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)

Frequently asked questions

What is CVE-2024-12356?: CVE-2024-12356 is a critical-severity vulnerability in Beyondtrust Privileged Remote Access, classified under Command Injection. CVSS score: 9.8/10. Published 2024-12-17.
How severe is CVE-2024-12356?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2024-12356 known to be exploited?: Yes. CVE-2024-12356 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2024-12-19), indicating it is being actively exploited. 9 public proof-of-concept repositories are indexed.