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CVE-2013-5560

19
FAUCET Score

CVE-2013-5560 describes a denial-of-service vulnerability affecting Cisco Adaptive Security Appliance (ASA) Software versions 9.1.3 and earlier, specifically when NAT64 or NAT66 is enabled. Remote attackers can trigger a device reload by sending crafted packets due to improper processing of NAT rules in the IPv6 implementation. This vulnerability has a CVSS score of 5.4, indicating a medium severity with network access, high attack complexity, and a complete availability impact. There is no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 9.1\(3\)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

5.4MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
HIGH
Authentication
NONE
Exploitability Score
4.9
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.03%
Probability of exploitation in next 30 days
EPSS Percentile
79.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0203 is in the 64th percentile among its peer group of 19,958 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 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-2013-5560
Vendor Advisory
tools.cisco.com / security/center/viewAlert.x
Vendor Advisory