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Fencer Intel
high 8.8

CVE-2020-35606 in the critical feed json

Arbitrary command execution can occur in Webmin through 1.962.

published 5y ago modified 4mo ago also EUVD-2020-23272

cvss
8.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
28.0%
EPSS 28.0% chance of exploitation in 30 days, percentile 98%
public exploits
1
Exploit-DB

Summary

Arbitrary command execution can occur in Webmin through 1.962. Any user authorized for the Package Updates module can execute arbitrary commands with root privileges via vectors involving %0A and %0C. NOTE: this issue exists because of an incomplete fix for CVE-2019-12840.

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Timeline

  1. Published
  2. First public exploit (EDB-49318)

Exploit prediction

28.05% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-49318 Webmin 1.962 - 'Package Updates' Escape Bypass RCE (Metasploit) webapps, 2020-12-22
  • pentest.com.tr https://www.pentest.com.tr/exploits/Webmin-1962-PU-Escape-Bypass-Remote-Command-Execution.html referenced PoC, tagged "exploit" by a source, unverified
  • packetstormsecurity.com http://packetstormsecurity.com/files/160676/Webmin-1.962-Remote-Command-Execution.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 9.0 AV:N/AC:L/Au:S/C:C/I:C/A:C

Classification

Weakness
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.