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CVE-2011-0963

MEDIUM · CVSS 5.0EPSS 1.8%EU EUVD

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.

Key facts

CVSS score
5.0 (v2.0)
Severity
MEDIUM
CVSS vector
AV:N/AC:L/Au:N/C:P/I:N/A:N
Weakness (CWE)
CWE-264
EPSS score
1.8% (79th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2011-0975)
Published
March 31, 2011
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-0975 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

  • cisco / nac guest server
  • cisco / nac guest server software
  • cisco / nac guest server software
  • cisco / nac guest server software
  • cisco / nac guest server software
  • cisco / nac guest server software
  • cisco / nac guest server software
  • cisco / nac guest server software
  • cisco / nac guest server software

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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