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Exploited vulnerability · CISA KEV

Is CVE-2013-3346 exploited? Yes: in CISA KEV since 3 Mar 2022

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

Yes. CVE-2013-3346, Adobe Reader and Acrobat Memory Corruption Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 3 Mar 2022, 3107 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 · 3 Mar 2022
ransomwareNot knownno confirmed use
EPSStop 1%among the most likely CVEs to be exploited
severity8.8CVSS 3.1 · high
US federal due24 Mar 2022BOD 22-01 deadline

What it is

Adobe Reader and Acrobat contain a memory corruption vulnerability which can allow attackers to execute arbitrary code or cause a denial of service.

VendorAdobe (83 exploited CVEs in KEV)
ProductReader and Acrobat
VulnerabilityAdobe Reader and Acrobat Memory Corruption Vulnerability
WeaknessCWE-119
Published30 Aug 2013
Added to KEV3 Mar 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 30 Aug 2013.
  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-2013-3346 being exploited?

Yes. CISA added CVE-2013-3346 to the Known Exploited Vulnerabilities catalog on 3 Mar 2022, which means there is reliable evidence of exploitation in the wild.

Is CVE-2013-3346 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-2013-3346?

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 March 2022 · Adobe scorecard · act-now radar.

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