CVE-2013-5523

The Sponsor Portal in Cisco Identity Services Engine (ISE) 1.2 and earlier does not properly restrict use of IFRAME elements, which makes it easier for remote attackers to conduct clickjacking attacks and unspecified other attacks via a crafted web site, related to a "cross-frame scripting (XFS)" issue, aka Bug ID CSCui82666.

Published: 2013-10-10 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2013-5523 is rated Moderate Risk (40.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.22%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2013-5523

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.55% 1.22% +0.67%
2 2025-03-30 0.58% 0.55% -0.03%
3 2025-03-29 — 0.58% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-5523

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 8.6 2.9 [email protected]

Weakness enumeration for CVE-2013-5523

Affected software / configurations for CVE-2013-5523

Vendor Product Version Raw CPE
cisco identity_services_engine_software <= 1.2 cpe:2.3:a:cisco:identity_services_engine_software:*:*:*:*:*:*:*:*
cisco identity_services_engine_software 1.0 cpe:2.3:a:cisco:identity_services_engine_software:1.0:*:*:*:*:*:*:*
cisco identity_services_engine_software 1.1 cpe:2.3:a:cisco:identity_services_engine_software:1.1:*:*:*:*:*:*:*

References for CVE-2013-5523

cvelogic Threat Intelligence