CVE-2013-5531 — Cisco Identity Services Engine (ISE) 1.x before 1.1.1 allows remote attackers to bypass authentication, and read support-bundle configuration and credentials data, via a crafted session on TCP port 443, aka Bug ID CSCty20405

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MEDIUM

Cisco Identity Services Engine (ISE) 1.x before 1.1.1 allows remote attackers to bypass authentication, and read support-bundle configuration and credentials data, via a crafted session on TCP port 443, aka Bug ID CSCty20405

Published Oct 25, 2013

5.0

MEDIUM

CVSS 2.0

EPSS 1.34%

Description

Cisco Identity Services Engine (ISE) 1.x before 1.1.1 allows remote attackers to bypass authentication, and read support-bundle configuration and credentials data, via a crafted session on TCP port 443, aka Bug ID CSCty20405.

Affected products

Remediation

No remediation recorded yet.

Metrics

1.34% 0.01342

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.

EPSS probability 0.01342

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 (13 key points)

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

Date	Score	Percentile	Model
Oct 3, 2026	1.34% (0.01342)	70.37th	v5 (v2026.06.15)
Jun 15, 2026	1.34% (0.01342)	67.55th	v5 (v2026.06.15)
Mar 17, 2025	0.25% (0.00248)	46.21th	v4 (v2025.03.14)
Dec 12, 2024	0.21% (0.00209)	59.74th	v3 (v2023.03.01)
May 10, 2024	0.16% (0.00156)	51.80th	v3 (v2023.03.01)
Apr 25, 2024	0.15% (0.00147)	50.03th	v3 (v2023.03.01)
Mar 15, 2024	0.14% (0.00135)	47.84th	v3 (v2023.03.01)
Feb 8, 2024	0.12% (0.00124)	45.62th	v3 (v2023.03.01)
Mar 7, 2023	0.24% (0.00242)	60.33th	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-287

Improper Authentication

References (1)

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20131023-ise
vendor-advisoryx_refsource_CISCOVendor Advisory

Link	Providers	Tags
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20131023-ise		vendor-advisoryx_refsource_CISCOVendor Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner cisco

Published Oct 25, 2013

Updated Sep 16, 2024

Reserved Aug 22, 2013

Link CVE-2013-5531

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2013-5531

Red Hat

Severity n/a

Public date n/a

Links CVE-2013-5531