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Exploited vulnerability · CISA KEV

Is CVE-2011-2462 exploited? Yes: in CISA KEV since 8 Jun 2022

Gociux · Adobe Reader and Acrobat · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2011-2462, Adobe Reader and Acrobat Universal 3D Memory Corruption Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 8 Jun 2022, 3836 days after it was published. It affects Adobe Reader and Acrobat. If you run it, CISA's required action is: Apply updates per vendor instructions.

exploitedYesCISA KEV · 8 Jun 2022
ransomwareNot knownno confirmed use
EPSStop 1%among the most likely CVEs to be exploited
severity8.8CVSS 3.1 · high
US federal due22 Jun 2022BOD 22-01 deadline

What it is

The Universal 3D (U3D) component in Adobe Reader and Acrobat contains a memory corruption vulnerability which could allow remote attackers to execute code or cause denial-of-service (DoS).

VendorAdobe (83 exploited CVEs in KEV)
ProductReader and Acrobat
VulnerabilityAdobe Reader and Acrobat Universal 3D Memory Corruption Vulnerability
WeaknessCWE-787
Published7 Dec 2011
Added to KEV8 Jun 2022
Reported by (CNA)adobe

What to do

  1. Check whether you run it. Look for Reader and Acrobat in your asset inventory, including appliances and cloud images. Stack check lists every exploited Adobe 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 7 Dec 2011.
  4. Get told next time. Email alerts when CISA adds a CVE for Adobe.

Other exploited CVEs in Reader and Acrobat

References

Questions

Is CVE-2011-2462 being exploited?

Yes. CISA added CVE-2011-2462 to the Known Exploited Vulnerabilities catalog on 8 Jun 2022, which means there is reliable evidence of exploitation in the wild.

Is CVE-2011-2462 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-2011-2462?

Apply updates per vendor instructions. Check Adobe's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected Reader and Acrobat 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 June 2022 · Adobe scorecard · act-now radar.

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