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Exploited vulnerability · CISA KEV

Is CVE-2017-12149 exploited? Yes: in CISA KEV since 10 Dec 2021

Gociux · Red Hat JBoss Application Server · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2017-12149, Red Hat JBoss Application Server Remote Code Execution Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 10 Dec 2021, 1528 days after it was published. It is known to be used in ransomware campaigns. It affects Red Hat JBoss Application Server. If you run it, CISA's required action is: Apply updates per vendor instructions.

exploitedYesCISA KEV · 10 Dec 2021
ransomwareKnownused in campaigns
EPSStop 1%among the most likely CVEs to be exploited
severity9.8CVSS 3.1 · critical
US federal due10 Jun 2022BOD 22-01 deadline

What it is

The JBoss Application Server, shipped with Red Hat Enterprise Application Platform 5.2, allows an attacker to execute arbitrary code via crafted serialized data.

VendorRed Hat (9 exploited CVEs in KEV)
ProductJBoss Application Server
VulnerabilityRed Hat JBoss Application Server Remote Code Execution Vulnerability
WeaknessCWE-502
Published4 Oct 2017
Added to KEV10 Dec 2021
Reported by (CNA)redhat

What to do

  1. Check whether you run it. Look for JBoss Application Server in your asset inventory, including appliances and cloud images. Stack check lists every exploited Red Hat 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 4 Oct 2017.
  4. Get told next time. Email alerts when CISA adds a CVE for Red Hat.

References

Questions

Is CVE-2017-12149 being exploited?

Yes. CISA added CVE-2017-12149 to the Known Exploited Vulnerabilities catalog on 10 Dec 2021, which means there is reliable evidence of exploitation in the wild.

Is CVE-2017-12149 used in ransomware attacks?

Yes, CISA lists it as known to be used in ransomware campaigns.

How do I fix CVE-2017-12149?

Apply updates per vendor instructions. Check Red Hat's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected JBoss Application Server 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 2021 · Red Hat scorecard · act-now radar.

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