6.1

CVE-2021-40121: cisco cisco identity services engine software Cross-site Scripting

CVSS: 6.1v3.1MediumModified
Published 21-10-2021Last modified 07-11-2024

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.

Overall risk
24/100
0100
Low · default modelHow is this calculated?
CVSS score
6.1/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.46%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 21-10-2021
    PublishedVulnerability first disclosed.
  2. 07-11-2024
    Last 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

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

18-09-202618-10-2026
EPSS score
0.46%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected 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