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Exploited vulnerability · CISA KEV

Is CVE-2020-5410 exploited? Yes: in CISA KEV since 25 Mar 2022

Gociux · VMware Tanzu Spring Cloud Configuration (Config) Server · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2020-5410, VMware Tanzu Spring Cloud Config Directory Traversal Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 25 Mar 2022, 661 days after it was published. It affects VMware Tanzu Spring Cloud Configuration (Config) Server. If you run it, CISA's required action is: Apply updates per vendor instructions.

exploitedYesCISA KEV · 25 Mar 2022
ransomwareNot knownno confirmed use
EPSStop 1%among the most likely CVEs to be exploited
severity7.5CVSS 3.1 · high
US federal due15 Apr 2022BOD 22-01 deadline

What it is

Spring, by VMware Tanzu, Cloud Config contains a path traversal vulnerability that allows applications to serve arbitrary configuration files.

VendorVMware Tanzu (3 exploited CVEs in KEV)
ProductSpring Cloud Configuration (Config) Server
VulnerabilityVMware Tanzu Spring Cloud Config Directory Traversal Vulnerability
WeaknessCWE-23
Published2 Jun 2020
Added to KEV25 Mar 2022
Reported by (CNA)pivotal

What to do

  1. Check whether you run it. Look for Spring Cloud Configuration (Config) Server 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 2 Jun 2020.
  4. Get told next time. Email alerts when CISA adds a CVE for VMware Tanzu.

References

Questions

Is CVE-2020-5410 being exploited?

Yes. CISA added CVE-2020-5410 to the Known Exploited Vulnerabilities catalog on 25 Mar 2022, which means there is reliable evidence of exploitation in the wild.

Is CVE-2020-5410 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-2020-5410?

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 Configuration (Config) 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 March 2022 · VMware Tanzu scorecard · act-now radar.

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