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Exploited vulnerability · CISA KEV

Is CVE-2016-3088 exploited? Yes: in CISA KEV since 10 Feb 2022

Gociux · Apache ActiveMQ · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2016-3088, Apache ActiveMQ Improper Input Validation Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 10 Feb 2022, 2080 days after it was published. It affects Apache ActiveMQ. If you run it, CISA's required action is: Apply updates per vendor instructions.

exploitedYesCISA KEV · 10 Feb 2022
ransomwareNot knownno confirmed use
EPSStop 1%among the most likely CVEs to be exploited
severity9.8CVSS 3.1 · critical
US federal due10 Aug 2022BOD 22-01 deadline

What it is

The Fileserver web application in Apache ActiveMQ allows remote attackers to upload and execute arbitrary files via an HTTP PUT followed by an HTTP MOVE request

VendorApache (41 exploited CVEs in KEV)
ProductActiveMQ
VulnerabilityApache ActiveMQ Improper Input Validation Vulnerability
WeaknessCWE-20
Published1 Jun 2016
Added to KEV10 Feb 2022
Reported by (CNA)redhat

What to do

  1. Check whether you run it. Look for ActiveMQ in your asset inventory, including appliances and cloud images. Stack check lists every exploited Apache 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 1 Jun 2016.
  4. Get told next time. Email alerts when CISA adds a CVE for Apache.

Other exploited CVEs in ActiveMQ

References

Questions

Is CVE-2016-3088 being exploited?

Yes. CISA added CVE-2016-3088 to the Known Exploited Vulnerabilities catalog on 10 Feb 2022, which means there is reliable evidence of exploitation in the wild.

Is CVE-2016-3088 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-2016-3088?

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

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