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Exploited vulnerability · CISA KEV

Is CVE-2022-22963 exploited? Yes: in CISA KEV since 25 Aug 2022

Gociux · VMware Tanzu Spring Cloud · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2022-22963, VMware Tanzu Spring Cloud Function Remote Code Execution Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 25 Aug 2022, 146 days after it was published. It affects VMware Tanzu Spring Cloud. If you run it, CISA's required action is: Apply updates per vendor instructions.

exploitedYesCISA KEV · 25 Aug 2022
ransomwareNot knownno confirmed use
EPSStop 1%among the most likely CVEs to be exploited
severity9.8CVSS 3.1 · critical
US federal due15 Sep 2022BOD 22-01 deadline

What it is

When using routing functionality in VMware Tanzu's Spring Cloud Function, it is possible for a user to provide a specially crafted SpEL as a routing-expression that may result in remote code execution and access to local resources.

VendorVMware Tanzu (3 exploited CVEs in KEV)
ProductSpring Cloud
VulnerabilityVMware Tanzu Spring Cloud Function Remote Code Execution Vulnerability
WeaknessCWE-94
Published1 Apr 2022
Added to KEV25 Aug 2022
Reported by (CNA)vmware

What to do

  1. Check whether you run it. Look for Spring Cloud in your asset inventory, including appliances and cloud images. Stack check lists every exploited VMware Tanzu 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 Apr 2022.
  4. Get told next time. Email alerts when CISA adds a CVE for VMware Tanzu.

References

Questions

Is CVE-2022-22963 being exploited?

Yes. CISA added CVE-2022-22963 to the Known Exploited Vulnerabilities catalog on 25 Aug 2022, which means there is reliable evidence of exploitation in the wild.

Is CVE-2022-22963 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-2022-22963?

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

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