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CVE-2007-0057

29
FAUCET Score

CVE-2007-0057 describes a critical vulnerability in Cisco Clean Access (CCA) versions 3.6.x through 3.6.4.2 and 4.0.x through 4.0.3.2. The flaw stems from the system's inability to properly configure or modify a shared secret authentication key, resulting in all devices using the same default key. This misconfiguration allows remote, unauthenticated attackers to gain complete control over affected systems, leading to a CVSS score of 10.0. Despite its maximum severity, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 3.6.0.0, <= 3.6.4.2CPE matchmatch criteria
cpe:2.3:a:cisco:network_admission_control_manager_and_server_system_software:*:*:*:*:*:*:*:*
>= 4.0.0.0, < 4.0.3.2CPE matchmatch criteria
cpe:2.3:a:cisco:network_admission_control_manager_and_server_system_software:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

AV:N/AC:L/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.88%
Probability of exploitation in next 30 days
EPSS Percentile
89.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0388 is in the 81st percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

osvdb.org / 32578
Broken Link
secunia.com / advisories/23617
Third Party Advisory
securitytracker.com / id
Third Party AdvisoryVDB Entry
cisco.com / warp/public/707/cisco-sa-20070103-CleanAccess.shtml
PatchVendor Advisory
vupen.com / english/advisories/2007/0030
Third Party Advisory