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Exploited vulnerability · CISA KEV

Is CVE-2020-25213 exploited? Yes: in CISA KEV since 3 Nov 2021

Gociux · WordPress File Manager Plugin · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2020-25213, WordPress File Manager Plugin Remote Code Execution Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 3 Nov 2021, 420 days after it was published. It affects WordPress File Manager Plugin. If you run it, CISA's required action is: Apply updates per vendor instructions.

exploitedYesCISA KEV · 3 Nov 2021
ransomwareNot knownno confirmed use
EPSStop 1%among the most likely CVEs to be exploited
severity10CVSS 3.1 · critical
US federal due3 May 2022BOD 22-01 deadline

What it is

WordPress File Manager plugin contains a remote code execution vulnerability that allows unauthenticated users to execute PHP code and upload malicious files on a target site.

VendorWordPress (7 exploited CVEs in KEV)
ProductFile Manager Plugin
VulnerabilityWordPress File Manager Plugin Remote Code Execution Vulnerability
WeaknessCWE-434
Published9 Sep 2020
Added to KEV3 Nov 2021
Reported by (CNA)mitre

What to do

  1. Check whether you run it. Look for File Manager Plugin in your asset inventory, including appliances and cloud images. Stack check lists every exploited WordPress 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 9 Sep 2020.
  4. Get told next time. Email alerts when CISA adds a CVE for WordPress.

References

Questions

Is CVE-2020-25213 being exploited?

Yes. CISA added CVE-2020-25213 to the Known Exploited Vulnerabilities catalog on 3 Nov 2021, which means there is reliable evidence of exploitation in the wild.

Is CVE-2020-25213 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-2020-25213?

Apply updates per vendor instructions. Check WordPress's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected File Manager Plugin 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 November 2021 · WordPress scorecard · act-now radar.

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