Description
MOOS-IvP iSay through 24.8.1 contains a remote code execution vulnerability in the SAY_MOOS variable handler that passes unsanitized text to a shell command. Attackers can publish SAY_MOOS messages containing backticks or command substitution syntax to execute arbitrary commands as the iSay process user.
Affected products
mit: moos-ivp
References5
- github.com/moos-ivp/moos-ivp/commit/ed3a44131fd3e5528602f20adc3… Issue TrackingPatch
- github.com/moos-ivp/moos-ivp/pull/120 Issue TrackingPatch
- github.com/moos-ivp/moos-ivp Product
- github.com/moos-ivp/moos-ivp/blob/1de9ae146cd63c209e8c3fd81611a… Issue Tracking
- www.vulncheck.com/advisories/moos-ivp-through-24.8.1-isay-comma… Third Party Advisory
Metrics
- CVSS 3.1
-
9.8
CRITICAL
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 4.0
-
9.3
CRITICAL
Score source: CNA
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - EPSS — exploit probability
- 2% percentile: 78 · as of 4 November 2026
- CWE
- CWE-78
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.