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Exploited vulnerability · CISA KEV

Is CVE-2024-28986 exploited? Yes: in CISA KEV since 15 Aug 2024

Gociux · SolarWinds Web Help Desk · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2024-28986, SolarWinds Web Help Desk Deserialization of Untrusted Data Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 15 Aug 2024, 2 days after it was published. It affects SolarWinds Web Help Desk. If you run it, CISA's required action is: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

exploitedYesCISA KEV · 15 Aug 2024
ransomwareNot knownno confirmed use
EPSStop 1%among the most likely CVEs to be exploited
severity9.8CVSS 3.1 · critical
US federal due5 Sep 2024BOD 22-01 deadline

What it is

SolarWinds Web Help Desk contains a deserialization of untrusted data vulnerability that could allow for remote code execution.

VendorSolarWinds (11 exploited CVEs in KEV)
ProductWeb Help Desk
VulnerabilitySolarWinds Web Help Desk Deserialization of Untrusted Data Vulnerability
WeaknessCWE-502
Published13 Aug 2024
Added to KEV15 Aug 2024
Reported by (CNA)SolarWinds

What to do

  1. Check whether you run it. Look for Web Help Desk in your asset inventory, including appliances and cloud images. Stack check lists every exploited SolarWinds CVE at once.
  2. Apply the fix. Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
  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 13 Aug 2024.
  4. Get told next time. Email alerts when CISA adds a CVE for SolarWinds.

Other exploited CVEs in Web Help Desk

References

Questions

Is CVE-2024-28986 being exploited?

Yes. CISA added CVE-2024-28986 to the Known Exploited Vulnerabilities catalog on 15 Aug 2024, which means there is reliable evidence of exploitation in the wild.

Is CVE-2024-28986 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-2024-28986?

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. Check SolarWinds's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected Web Help Desk 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 2024 · SolarWinds scorecard · act-now radar.

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