Vulnerability details
CVE-2026-65184
Vertiv Avocent ACS8000
Avocent ACS8000 wsserver command injection
CVSS 3.1
9.8Critical
Official description
The root-privileged `wsserver` terminal-bridge daemon builds a shell command from client-supplied WebSocket fields and passes it to `system()` and `popen()` without quoting, escaping, or character-set validation. The daemon's public-key session path performs no appliance-session check.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 9.8Critical | 3.1 | CVEProject cvelistV5 (CNA) (runZero) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Vertiv | Avocent ACS8000 | v ≤ 2.32.4 | CVEProject cvelistV5 (CNA) |
References and advisories
2
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Details
- Published
- 2026-10-26
- Last updated
- 2026-10-26
- State
- Published
- Assigner (CNA)
- runZero
- Kolun priority
- 24 · Low
Exploit prediction (EPSS)
0.41%
Probability of exploitation in 30 days
36.2%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-78Improper neutralization of special elements used in an OS command ('OS command injection')