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

Back Back to CVE browser

MEDIUM

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

Published Oct 22, 2013

5.4

MEDIUM

CVSS 2.0

EPSS 1.70%

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.

Affected products

Remediation

No remediation recorded yet.

Metrics

1.70% 0.01705

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.01705

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (12 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	1.70% (0.01705)	76.43th	v5 (v2026.06.15)
Jun 15, 2026	1.66% (0.01656)	73.46th	v5 (v2026.06.15)
Mar 17, 2025	1.34% (0.01339)	78.67th	v4 (v2025.03.14)
Dec 12, 2024	0.16% (0.00161)	54.06th	v3 (v2023.03.01)
Apr 25, 2024	0.14% (0.00137)	48.64th	v3 (v2023.03.01)
Mar 15, 2024	0.13% (0.00127)	46.29th	v3 (v2023.03.01)
Feb 8, 2024	0.11% (0.00115)	43.86th	v3 (v2023.03.01)
Mar 7, 2023	0.19% (0.00187)	54.31th	v3 (v2023.03.01)
Mar 6, 2023	1.05% (0.01055)	52.13th	v2 (v2022.01.01)
Sep 17, 2022	1.05% (0.01055)	50.47th	v2 (v2022.01.01)
Apr 1, 2022	1.05% (0.01055)	48.43th	v2 (v2022.01.01)
Feb 4, 2022	1.05% (0.01055)	27.52th	v2 (v2022.01.01)

Weaknesses (1)

CWE-399

References (1)

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

Link	Providers	Tags
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-5544		vendor-advisoryx_refsource_CISCOVendor Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner cisco

Published Oct 22, 2013

Updated Sep 17, 2024

Reserved Aug 22, 2013

Link CVE-2013-5544

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2013-5544

Red Hat

Severity n/a

Public date n/a

Links CVE-2013-5544