EUVD-2026-70815
GHSA-7x8c-qjw9-h585
Severity by source
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
MOOSDB pub/sub is network-reachable with no default auth (AV:N/PR:N), a simple metacharacter payload triggers system() (AC:L), yielding full RCE as the iSay user (C/I/A:H).
Primary rating from Vendor (VulnCheck).
CVSS VectorVendor: VulnCheck
Lifecycle Timeline
3DescriptionCVE.org
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.
AnalysisAI
Remote code execution in MOOS-IvP's iSay module (through version 24.8.1) lets any actor on the MOOS message bus run arbitrary shell commands as the iSay process user. The SAY_MOOS variable handler in Sayer.cpp builds a speech command string and passes it straight to system(), so a published message containing backticks or $() command-substitution syntax is executed by the shell. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the ability to publish the SAY_MOOS MOOS variable to a MOOSDB that an iSay (≤24.8.1) instance subscribes to; MOOS pub/sub has no default authentication, so any client that can reach the MOOSDB qualifies (PR:N). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The vendor CVSS 4.0 base is 9.3 with AV:N/AC:L/PR:N/UI:N and VC:H/VI:H/VA:H, i.e. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Apply the upstream fix from PR #120 (commit ed3a44131fd3e5528602f20adc37ba82273c1cd8), which replaces system() with a shell-free fork()+execvp() argument-vector runner; rebuild iSay from a source tree that includes this commit. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all systems running MOOS-IvP version 24.8.1 or earlier and assess their exposure to untrusted message bus participants. …
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Remote code execution in MOOS-IvP through 24.8.1 arises from multiple heap and stack buffer overflows in the IvP functio
Unauthenticated shore-route hijacking in MOOS-IvP's uFldNodeBroker (through 24.8.1) lets any client of the vehicle's MOO
Bridge-route injection in MOOS-IvP's uFldShoreBroker component (through version 24.8.1) lets remote unauthenticated atta
Out-of-bounds write in MOOS-IvP through 24.8.1 allows remote attackers to corrupt memory and potentially execute code by
Remote OS command injection in MOOS-IvP's uMemWatch utility (through version 24.8.1) lets attackers who can connect to t
Unauthenticated remote resource exhaustion in MOOS-IvP pRealm through version 24.8.1 allows any network-reachable attack
Quadratic algorithmic complexity in MOOS-IvP's uFldNodeComms shoreside broker (versions through 24.8.1) allows unauthent
Unbounded memory allocation in MOOS-IvP through 24.8.1 allows unauthenticated network attackers to exhaust host system m
Unauthenticated network attackers can trigger out-of-bounds memory reads in MOOS-IvP through version 24.8.1 by sending N
Node identity spoofing in MOOS-IvP uFldNodeComms through 24.8.1 allows any network-reachable attacker to impersonate leg
Unbounded memory consumption in MOOS-IvP pMarineViewer through version 24.8.1 allows unauthenticated network attackers t
Unbounded resource allocation in MOOS-IvP uFldShoreBroker through 24.8.1 allows a remote unauthenticated attacker to exh
Same weakness CWE-78 – OS Command Injection
View allSame technique Command Injection
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External POC / Exploit Code
Leaving vuln.today