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CVE-2013-5567

22
FAUCET Score

CVE-2013-5567 describes a denial-of-service vulnerability in Cisco Adaptive Security Appliance (ASA) Software versions 8.4(.6) and earlier. This flaw arises from an unsupported configuration involving overlapping filtering and inspection criteria, allowing a remote attacker to trigger a traffic loop and device crash. With a CVSS score of 5.4, this vulnerability has a high attack complexity but can lead to a complete loss of availability for affected devices. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 8.4\(6\)CPE matchmatch criteria
cpe:2.3:a:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*

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
2.12%
Probability of exploitation in next 30 days
EPSS Percentile
80.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0212 is in the 67th 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

exchange.xforce.ibmcloud.com / vulnerabilities/94445
Third Party AdvisoryVDB Entry
tools.cisco.com / security/center/content/CiscoSecurityNotice/CVE-2013-5567
Broken LinkVendor Advisory
tools.cisco.com / security/center/viewAlert.x
Vendor Advisory
securityfocus.com / bid/68504
Third Party AdvisoryVDB Entry
securitytracker.com / id/1030555
Broken LinkThird Party AdvisoryVDB Entry