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CVE-2025-20125

45
FAUCET Score

CVE-2025-20125 is a critical authorization bypass vulnerability in Cisco Identity Services Engine (ISE) that allows authenticated, remote attackers with read-only credentials to gain elevated privileges. This flaw, rated 7.2 HIGH, stems from improper authorization and data validation in a specific API, enabling attackers to obtain sensitive information, modify configurations, and restart the device. While requiring valid read-only administrative credentials, its impact is significant, potentially disrupting network authentication services. Although not currently in CISA's KEV catalog, public exploit code exists (EDB-52397), and it has garnered substantial community discussion and media coverage, indicating a high potential for exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.1CPE matchmatch criteria
cpe:2.3:a:cisco:identity_services_engine:*:*:*:*:*:*:*:*
3.1.0CPE matchmatch criteria
cpe:2.3:a:cisco:identity_services_engine:3.1.0:-:*:*:*:*:*:*
3.1.0CPE matchmatch criteria
cpe:2.3:a:cisco:identity_services_engine:3.1.0:patch1:*:*:*:*:*:*
3.1.0CPE matchmatch criteria
cpe:2.3:a:cisco:identity_services_engine:3.1.0:patch2:*:*:*:*:*:*
3.1.0CPE matchmatch criteria
cpe:2.3:a:cisco:identity_services_engine:3.1.0:patch3:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.1CRITICAL

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
HIGH
Exploitability Score
3.1
Impact Score
5.3
CvssVersion
3.1

Exploit Intelligence

EPSS Score
16.74%
Probability of exploitation in next 30 days
EPSS Percentile
96.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-52397 · Aug 11, 2025
This CVE's current EPSS score of 0.1674 is in the 95th percentile among its peer group of 5,531 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.3 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

ciscovendor investigatingvia nvd_reference
View patch

References

sec.cloudapps.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-multivuls-FTW9AOXF
Vendor Advisory