CVE-2021-40121: cisco cisco identity services engine software Cross-site Scripting
Vulnerability summary
CVE-2021-40121 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in cisco cisco identity services engine software. EPSS estimates a 0.46% chance of exploitation in the next 30 days, higher than 38.6% of scored vulnerabilities.
Timeline
- 21-10-2021PublishedVulnerability first disclosed.
- 07-11-2024Last modifiedVulnerability information updated.
Description
Multiple vulnerabilities in the web-based management interface of Cisco Identity Services Engine (ISE) Software could allow an attacker to conduct a cross-site scripting (XSS) attack against a user of the interface. For more information about these vulnerabilities, see the Details section of this advisory.
CVSS metrics
3 scores · 2 sources · 2 versions- NVDNIST4.8MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:NDiffers
EPSS trend
Probability
0.46%
Chance of exploitation in the next 30 days
Percentile
39%
Versus all other CVEs
30-day change
0.00 pp
From 0.46% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Cisco2 products
- cisco identity services engine softwaren/a
- identity_services_engine≤ 2.6 | 2.6\(0.156\) | 2.6\(0.999\) | 2.6.0 | 2.6.0:patch1 | 2.6.0:patch2 | 2.6.0:patch3 | 2.6.0:patch5 | 2.6.0:patch6 | 2.6.0:patch7 | 2.6.0:patch8 | 2.6.0:patch9 | 2.7 | 2.7\(0.207\) | 2.7\(0.356\) | 2.7\(0.903\) | 2.7.0 | 2.7.0:patch1 | 2.7.0:patch2 | 2.7.0:patch3 | 2.7.0:patch4 | 3.0\(0.458\) | 3.0.0 | 3.0.0:patch1 | 3.0.0:patch2
1 vendor · 2 products
References
1 links- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-xss1-rgxYry2VVendor AdvisoryX Refsource CISCO