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Exploited vulnerability · CISA KEV

Is CVE-2024-12356 exploited? Yes: in CISA KEV since 19 Dec 2024

Gociux · BeyondTrust Privileged Remote Access (PRA) and Remote Support (RS) · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2024-12356, BeyondTrust Privileged Remote Access (PRA) and Remote Support (RS) Command Injection Vulnerability , is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 19 Dec 2024, 2 days after it was published. It affects BeyondTrust Privileged Remote Access (PRA) and Remote Support (RS). If you run it, CISA's required action is: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

exploitedYesCISA KEV · 19 Dec 2024
ransomwareNot knownno confirmed use
EPSStop 1%among the most likely CVEs to be exploited
severity9.8CVSS 3.1 · critical
US federal due27 Dec 2024BOD 22-01 deadline

What it is

BeyondTrust Privileged Remote Access (PRA) and Remote Support (RS) contain a command injection vulnerability, which can allow an unauthenticated attacker to inject commands that are run as a site user.

VendorBeyondTrust (4 exploited CVEs in KEV)
ProductPrivileged Remote Access (PRA) and Remote Support (RS)
VulnerabilityBeyondTrust Privileged Remote Access (PRA) and Remote Support (RS) Command Injection Vulnerability
WeaknessCWE-77
Published17 Dec 2024
Added to KEV19 Dec 2024
Reported by (CNA)BT

What to do

  1. Check whether you run it. Look for Privileged Remote Access (PRA) and Remote Support (RS) in your asset inventory, including appliances and cloud images. Stack check lists every exploited BeyondTrust CVE at once.
  2. Apply the fix. Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
  3. If you can't patch today, take the affected service off the internet or restrict who can reach it, and check its logs for signs of compromise since 17 Dec 2024.
  4. Get told next time. Email alerts when CISA adds a CVE for BeyondTrust.

Other exploited CVEs in Privileged Remote Access (PRA) and Remote Support (RS)

References

Questions

Is CVE-2024-12356 being exploited?

Yes. CISA added CVE-2024-12356 to the Known Exploited Vulnerabilities catalog on 19 Dec 2024, which means there is reliable evidence of exploitation in the wild.

Is CVE-2024-12356 used in ransomware attacks?

CISA does not list known ransomware use for it. That can change, and exploitation alone is reason to fix it first.

How do I fix CVE-2024-12356?

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. Check BeyondTrust's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected Privileged Remote Access (PRA) and Remote Support (RS) and watch it for signs of compromise.

Sources: CISA KEV (exploitation, ransomware use, required action, due date), the CVE record (publication date, CVSS, CNA), NVD and FIRST EPSS (live score). More: all KEV additions in December 2024 · BeyondTrust scorecard · act-now radar.

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