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CVE-2013-6682

21
FAUCET Score

CVE-2013-6682 describes a denial-of-service vulnerability in the phone-proxy implementation of Cisco Adaptive Security Appliance (ASA) Software versions 9.0.3.6 and earlier. This flaw stems from improper validation of X.509 certificates, allowing remote attackers to corrupt the connection database via an invalid entry. The vulnerability has a CVSS score of 6.4, indicating a medium severity. It can be exploited remotely with low attack complexity and no authentication required, leading to a partial impact on integrity and availability. There is no evidence of active exploitation, and no public exploit code is available on platforms like Metasploit or ExploitDB. Community discussion and media coverage for this CVE are minimal, suggesting it has not garnered significant attention.

Impacted Technologies

VendorProductVersion(s)CPE
<= 9.0.3\(6\)CPE matchmatch criteria
cpe:2.3:a:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0:*:*:*:*:*:*:*
7.0\(0\)CPE matchmatch criteria
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0\(0\):*:*:*:*:*:*:*
7.0\(1\)CPE matchmatch criteria
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0\(1\):*:*:*:*:*:*:*
7.0\(2\)CPE matchmatch criteria
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0\(2\):*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.4MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
4.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.75%
Probability of exploitation in next 30 days
EPSS Percentile
51.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0075 is in the 32nd percentile among its peer group of 23,725 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Vendor Patches (1)

ciscovendor investigatingvia nvd_reference
View patch

References

tools.cisco.com / security/center/content/CiscoSecurityNotice/CVE-2013-6682
Vendor Advisory
tools.cisco.com / security/center/viewAlert.x
Vendor Advisory