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Fencer Intel
high 8.8

CVE-2022-30708 json

Webmin through 1.991, when the Authentic theme is used, allows remote code execution when a user has been manually created (i.e., not creat…

published 4y ago modified 4mo ago also EUVD-2022-52538

cvss
8.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
3.8%
EPSS 3.8% chance of exploitation in 30 days, percentile 90%
public exploits
0
none known

Summary

Webmin through 1.991, when the Authentic theme is used, allows remote code execution when a user has been manually created (i.e., not created in Virtualmin or Cloudmin). This occurs because settings-editor_write.cgi does not properly restrict the file parameter.

Patch / fix

Is CVE-2022-30708 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Exploit prediction

3.83% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/esp0xdeadbeef/rce_webmin referenced PoC, tagged "exploit" by a source, unverified
  • twitch.tv https://www.twitch.tv/videos/1483029790 referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/esp0xdeadbeef/rce_webmin/blob/main/exploit.py referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 8.8 CVSS:3.1/AC:L/AV:N/A:H/C:H/I:H/PR:L/S:U/UI:N
CNA 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P

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.