CVE-2026-129125

critical

Description

C-Kermit 6.0.192 before 11.1.515 contains a remote code execution vulnerability that allows Kermit clients to run shell commands on servers with host commands disabled by abusing REMOTE QUERY evaluation. Attackers can send a REMOTE QUERY invoking the command function, or define a macro via REMOTE ASSIGN and call execute to reach RUN, bypassing the nopush restriction and DISABLE HOST.

References

https://www.vulncheck.com/advisories/c-kermit-6.0.192-before-11.1.515-command-execution-via-remote-query

https://github.com/OpenKermit/ckermit/security/advisories/GHSA-c5px-7h4c-gj8p

https://github.com/OpenKermit/ckermit/releases/tag/v11.1.515

https://github.com/OpenKermit/ckermit/commit/85ef1da670cee132ea2d8e4eb759bab310ff73c9

https://github.com/OpenKermit/ckermit/blob/v11.0.514/ckcpro.w#L2544

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-125554

Details

Source: Mitre, NVD

Published: 2026-11-13

Updated: 2026-11-13

Risk Information

CVSS v2

Base Score: 7.6

Vector: CVSS2#AV:N/AC:H/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.1

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: High

CVSS v4

Base Score: 9.2

Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Severity: Critical

EPSS

EPSS: 0.00676