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Exploited vulnerability · CISA KEV

Is CVE-2015-4068 exploited? Yes: in CISA KEV since 25 Mar 2022

Gociux · Arcserve Unified Data Protection (UDP) · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2015-4068, Arcserve Unified Data Protection (UDP) Directory Traversal Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 25 Mar 2022, 2492 days after it was published. It affects Arcserve Unified Data Protection (UDP). If you run it, CISA's required action is: Apply updates per vendor instructions.

exploitedYesCISA KEV · 25 Mar 2022
ransomwareNot knownno confirmed use
EPSStop 1%among the most likely CVEs to be exploited
severity9.1CVSS 3.1 · critical
US federal due15 Apr 2022BOD 22-01 deadline

What it is

Directory traversal vulnerability in Arcserve UDP allows remote attackers to obtain sensitive information or cause a denial of service.

VendorArcserve (1 exploited CVE in KEV)
ProductUnified Data Protection (UDP)
VulnerabilityArcserve Unified Data Protection (UDP) Directory Traversal Vulnerability
WeaknessCWE-22
Published29 May 2015
Added to KEV25 Mar 2022
Reported by (CNA)mitre

What to do

  1. Check whether you run it. Look for Unified Data Protection (UDP) in your asset inventory, including appliances and cloud images. Stack check lists every exploited Arcserve CVE at once.
  2. Apply the fix. Apply updates per vendor instructions.
  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 29 May 2015.
  4. Get told next time. Email alerts when CISA adds a CVE for Arcserve.

References

Questions

Is CVE-2015-4068 being exploited?

Yes. CISA added CVE-2015-4068 to the Known Exploited Vulnerabilities catalog on 25 Mar 2022, which means there is reliable evidence of exploitation in the wild.

Is CVE-2015-4068 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-2015-4068?

Apply updates per vendor instructions. Check Arcserve's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected Unified Data Protection (UDP) 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 March 2022 · act-now radar.

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