What is 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.
The record classifies CVE-2024-12356 under weakness class CWE-77. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction, and has high impact on confidentiality, integrity, availability. 2 affected-product entries are recorded, across 1 vendor, listed below. The identifier was first published 681 days ago.
Severity and exploitation probability
- CVSS v3.1 base score
- 9.8 — CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - EPSS (FIRST)
- 87.2% probability of exploitation in the next 30 days, higher than 99.7% of all scored CVEs
- CISA KEV
- Listed since 2024-12-19, federal remediation deadline 2024-12-27
- Threadlinqs priority
- 9/10 — CISA KEV-listed, which Threadlinqs floors at 9
- Published
- 2024-12-17, last modified 2025-10-21
Is CVE-2024-12356 being exploited?
CISA added CVE-2024-12356 to the Known Exploited Vulnerabilities catalog on 2024-12-19, which means the agency holds evidence of exploitation in the wild; US federal civilian agencies had to remediate it by 2024-12-27 under BOD 22-01. Weaponised exploit code for CVE-2024-12356 is publicly available. 2 public proof-of-concept repositories are tracked for this identifier. It currently carries a trending score of 48 in the Threadlinqs vulnerability feed.
- skraft9/CVE-2024-12356 (github)
- trickest/cve (trickest)
Affected products and versions
- Beyondtrust: Privileged Remote Access, Remote Support
How to fix CVE-2024-12356
Vendor advisory: https://www.beyondtrust.com/trust-center/security-advisories/bt24-10. Because CVE-2024-12356 is KEV-listed, US federal civilian agencies were required to apply the vendor fix, or stop using the product, by 2024-12-27. Apply the vendor fix referenced above to every affected product listed in this record, then confirm the running version against the vendor advisory.
Threat activity tracking CVE-2024-12356
3 tracked threats in the Threadlinqs corpus reference CVE-2024-12356, either in the campaign’s CVE list or as an indicator on the campaign record.
- BeyondTrust Remote Support & PRA Pre-Authentication Remote Code Execution via OS Command Injection (CVE-2026-1731) — CRITICAL · 2026-03-07
- BeyondTrust Pre-Auth RCE (CVE-2026-1731) — CVSS 9.9, CISA KEV, WebSocket Command Injection, VShell/SparkRAT, 16K+ Exposed Instances, Multi-Sector Campaign — CRITICAL · 2026-02-21
- CVE-2026-1731 — BeyondTrust Pre-Auth RCE, CVSS 9.8, CISA KEV, Actively Exploited — Unauthenticated OS Command Injection in Remote Support & Privileged Remote Access, SimpleHelp RAT Post-Exploitation, Full Domain Control, Silk Typhoon Predecessor Chain — CRITICAL · 2026-02-16
Sources
Enriched from CVE.org, FIRST EPSS, CISA KEV, public proof-of-concept repositories. Last verified by Threadlinqs on .