OpenVAS Administrator 1.2 before 1.2.2 and 1.3 before 1.3.2 allows remote attackers to bypass the OAP authentication restrictions and execute OAP commands via a crafted OAP request for version information, which causes the state to be set to CLIENT_AUTHENTIC.
Conclusion & alert: CVE-2013-6766 is rated Moderate Risk (49.9/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.38%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-03-17 | 0.62% | 0.38% | -0.24% |
| 2 | 2024-12-17 | 0.72% | 0.62% | -0.09% |
| 3 | 2023-03-07 | — | 0.72% | — |
Full EPSS history (4 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
ubuntu
|
medium | CVE-2013-6766 medium priority: Ubuntu including 1 source packages (openvas-server), 17 status rows across 17 suites (artful, bionic, cosmic, disco, lucid, precise, quantal, raring, saucy, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): DNE 10, ignored 6, needs-triage 1. | https://ubuntu.com/security/CVE-2013-6766 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| openvas | openvas_administrator | 1.2 | cpe:2.3:a:openvas:openvas_administrator:1.2:rc1:*:*:*:*:*:* |
| openvas | openvas_administrator | 1.2.0 | cpe:2.3:a:openvas:openvas_administrator:1.2.0:*:*:*:*:*:*:* |
| openvas | openvas_administrator | 1.2.1 | cpe:2.3:a:openvas:openvas_administrator:1.2.1:*:*:*:*:*:*:* |
| openvas | openvas_administrator | 1.3 | cpe:2.3:a:openvas:openvas_administrator:1.3:beta1:*:*:*:*:*:* |
| openvas | openvas_administrator | 1.3 | cpe:2.3:a:openvas:openvas_administrator:1.3:rc1:*:*:*:*:*:* |
| openvas | openvas_administrator | 1.3.0 | cpe:2.3:a:openvas:openvas_administrator:1.3.0:*:*:*:*:*:*:* |
| openvas | openvas_administrator | 1.3.1 | cpe:2.3:a:openvas:openvas_administrator:1.3.1:*:*:*:*:*:*:* |