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Exploited vulnerability · CISA KEV

Is CVE-2022-33891 exploited? Yes: in CISA KEV since 7 Mar 2023

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

Yes. CVE-2022-33891, Apache Spark Command Injection Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 7 Mar 2023, 232 days after it was published. It affects Apache Spark. If you run it, CISA's required action is: Apply updates per vendor instructions.

exploitedYesCISA KEV · 7 Mar 2023
ransomwareNot knownno confirmed use
EPSStop 1%among the most likely CVEs to be exploited
severity8.8CVSS 3.1 · high
US federal due28 Mar 2023BOD 22-01 deadline

What it is

Apache Spark contains a command injection vulnerability via Spark User Interface (UI) when Access Control Lists (ACLs) are enabled.

VendorApache (41 exploited CVEs in KEV)
ProductSpark
VulnerabilityApache Spark Command Injection Vulnerability
WeaknessCWE-78
Published18 Jul 2022
Added to KEV7 Mar 2023
Reported by (CNA)apache

What to do

  1. Check whether you run it. Look for Spark 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 18 Jul 2022.
  4. Get told next time. Email alerts when CISA adds a CVE for Apache.

References

Questions

Is CVE-2022-33891 being exploited?

Yes. CISA added CVE-2022-33891 to the Known Exploited Vulnerabilities catalog on 7 Mar 2023, which means there is reliable evidence of exploitation in the wild.

Is CVE-2022-33891 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-2022-33891?

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 Spark 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 2023 · Apache scorecard · act-now radar.

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