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Exploited vulnerability · CISA KEV

Is CVE-2019-15107 exploited? Yes: in CISA KEV since 25 Mar 2022

Gociux · Webmin · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2019-15107, Webmin Command Injection Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 25 Mar 2022, 952 days after it was published. It is known to be used in ransomware campaigns. It affects Webmin. If you run it, CISA's required action is: Apply updates per vendor instructions.

exploitedYesCISA KEV · 25 Mar 2022
ransomwareKnownused in campaigns
EPSStop 1%among the most likely CVEs to be exploited
severity9.8CVSS 3.1 · critical
US federal due15 Apr 2022BOD 22-01 deadline

What it is

An issue was discovered in Webmin. The parameter old in password_change.cgi contains a command injection vulnerability.

VendorWebmin (1 exploited CVE in KEV)
ProductWebmin
VulnerabilityWebmin Command Injection Vulnerability
WeaknessCWE-78
Published16 Aug 2019
Added to KEV25 Mar 2022
Reported by (CNA)mitre

What to do

  1. Check whether you run it. Look for Webmin in your asset inventory, including appliances and cloud images. Stack check lists every exploited Webmin 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 16 Aug 2019.
  4. Get told next time. Email alerts when CISA adds a CVE for Webmin.

References

Questions

Is CVE-2019-15107 being exploited?

Yes. CISA added CVE-2019-15107 to the Known Exploited Vulnerabilities catalog on 25 Mar 2022, which means there is reliable evidence of exploitation in the wild.

Is CVE-2019-15107 used in ransomware attacks?

Yes, CISA lists it as known to be used in ransomware campaigns.

How do I fix CVE-2019-15107?

Apply updates per vendor instructions. Check Webmin's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected Webmin 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 · act-now radar.

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