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Exploited vulnerability · CISA KEV

Is CVE-2009-1862 exploited? Yes: in CISA KEV since 8 Jun 2022

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

Yes. CVE-2009-1862, Adobe Acrobat and Reader, Flash Player Unspecified Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 8 Jun 2022, 4703 days after it was published. It affects Adobe Acrobat and Reader, Flash Player. If you run it, CISA's required action is: For Adobe Acrobat and Reader, apply updates per vendor instructions. For Adobe Flash Player, the impacted product is end-of-life and should be disconnected if still in use.

exploitedYesCISA KEV · 8 Jun 2022
ransomwareNot knownno confirmed use
EPSStop 5%very likely to be exploited
severity7.8CVSS 3.1 · high
US federal due22 Jun 2022BOD 22-01 deadline

What it is

Adobe Acrobat and Reader and Adobe Flash Player allows remote attackers to execute code or cause denial-of-service (DoS).

VendorAdobe (83 exploited CVEs in KEV)
ProductAcrobat and Reader, Flash Player
VulnerabilityAdobe Acrobat and Reader, Flash Player Unspecified Vulnerability
WeaknessCWE-94
Published23 Jul 2009
Added to KEV8 Jun 2022
Reported by (CNA)mitre

What to do

  1. Check whether you run it. Look for Acrobat and Reader, Flash Player in your asset inventory, including appliances and cloud images. Stack check lists every exploited Adobe CVE at once.
  2. Apply the fix. For Adobe Acrobat and Reader, apply updates per vendor instructions. For Adobe Flash Player, the impacted product is end-of-life and should be disconnected if still in use.
  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 23 Jul 2009.
  4. Get told next time. Email alerts when CISA adds a CVE for Adobe.

References

Questions

Is CVE-2009-1862 being exploited?

Yes. CISA added CVE-2009-1862 to the Known Exploited Vulnerabilities catalog on 8 Jun 2022, which means there is reliable evidence of exploitation in the wild.

Is CVE-2009-1862 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-2009-1862?

For Adobe Acrobat and Reader, apply updates per vendor instructions. For Adobe Flash Player, the impacted product is end-of-life and should be disconnected if still in use. Check Adobe's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected Acrobat and Reader, Flash Player 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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