CVE-2011-0963
The default configuration of the RADIUS authentication feature on the Cisco Network Admission...
The default configuration of the RADIUS authentication feature on the Cisco Network Admission Control (NAC) Guest Server with software before 2.0.3 allows remote attackers to bypass intended access restrictions and obtain network connectivity via unspecified vectors, aka Bug ID CSCtj66922.
Exploit likelihood
What each source reports
NVD Score used
The default configuration of the RADIUS authentication feature on the Cisco Network Admission Control (NAC) Guest Server with software before 2.0.3 allows remote attackers to bypass intended access restrictions and obtain network connectivity via unspecified vectors, aka Bug ID CSCtj66922.
- Record
CVE-2011-0963- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-264
- Updated
- 2026-11-02
CVE List No score
The default configuration of the RADIUS authentication feature on the Cisco Network Admission Control (NAC) Guest Server with software before 2.0.3 allows remote attackers to bypass intended access restrictions and obtain network connectivity via unspecified vectors, aka Bug ID CSCtj66922.
- Record
CVE-2011-0963- Updated
- 2026-11-02
EUVDEUVD-2011-0975 No score
The default configuration of the RADIUS authentication feature on the Cisco Network Admission Control (NAC) Guest Server with software before 2.0.3 allows remote attackers to bypass intended access restrictions and obtain network connectivity via unspecified vectors, aka Bug ID CSCtj66922.
- Record
EUVD-2011-0975- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-xrf6-9p6w-m2j5 No score
The default configuration of the RADIUS authentication feature on the Cisco Network Admission...
The default configuration of the RADIUS authentication feature on the Cisco Network Admission Control (NAC) Guest Server with software before 2.0.3 allows remote attackers to bypass intended access restrictions and obtain network connectivity via unspecified vectors, aka Bug ID CSCtj66922.
- Record
GHSA-xrf6-9p6w-m2j5- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2011-0963 is a medium vulnerability (CVSS 5.0) in Cisco Nac Guest Server, published March 31, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.80%, the 78th percentile. No source names a fixed version.