How severe is CVE-2013-5544?

CVE-2013-5544 has a CVSS 2.0 base score of 5.4, rated medium severity.

Is CVE-2013-5544 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-5544?

CVE-2013-5544 affects Cisco Adaptive Security Appliance Software. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2013-5544?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2013-5544 published?

CVE-2013-5544 was published on 2013-10-22 and last updated on 2026-06-16.

CVE-2013-5544

CVE-2013-5544 is a medium-severity vulnerability in Cisco Adaptive Security Appliance Software with a CVSS 2.0 base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-399.

Key facts

Severity: Medium (CVSS 2.0 base score 5.4)
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Cisco Adaptive Security Appliance Software
Published: 2013-10-22
Last modified: 2026-06-16

Description

The VPN authentication functionality in Cisco Adaptive Security Appliance (ASA) Software allows remote attackers to cause a denial of service (device reload) by sending many username-from-cert IKE requests, aka Bug ID CSCua91108.

Frequently asked questions

What is CVE-2013-5544?: The VPN authentication functionality in Cisco Adaptive Security Appliance (ASA) Software allows remote attackers to cause a denial of service (device reload) by sending many username-from-cert IKE requests, aka Bug ID CSCua91108.
How severe is CVE-2013-5544?: CVE-2013-5544 has a CVSS 2.0 base score of 5.4, rated medium severity.
Is CVE-2013-5544 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-5544?: CVE-2013-5544 affects Cisco Adaptive Security Appliance Software. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2013-5544?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-5544 published?: CVE-2013-5544 was published on 2013-10-22 and last updated on 2026-06-16.

References

http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-5544

Affected products (1)

cpe:2.3:o:cisco:adaptive_security_appliance_software:-:*:*:*:*:*:*:*

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