Cyber Resilience

CVE-2025-20285

Medium

Published: 16 July 2025

Published
16 July 2025
Modified
22 July 2025
KEV Added
Patch
CVSS Score v3.1 4.1 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:N
EPSS Score 0.0018 39.7th percentile
Risk Priority 8 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-20285 is a medium-severity Authentication Bypass by Assumed-Immutable Data (CWE-302) vulnerability in Cisco Identity Services Engine. Its CVSS base score is 4.1 (Medium).

Operationally, ranked at the 39.7th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

A vulnerability in the IP Access Restriction feature of Cisco ISE and Cisco ISE-PIC could allow an authenticated, remote attacker to bypass configured IP access restrictions and log in to the device from a disallowed IP address. This vulnerability is…

more

due to improper enforcement of access controls that are configured using the IP Access Restriction feature. An attacker could exploit this vulnerability by logging in to the API from an unauthorized source IP address. A successful exploit could allow the attacker to gain access to the targeted device from an IP address that should have been restricted. To exploit this vulnerability, the attacker must have valid administrative credentials.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

cisco
identity services engine
3.3.0, 3.4.0 · ≤ 3.3.0
cisco
identity services engine passive identity connector
3.3.0, 3.4.0 · ≤ 3.3.0

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-302

Proper authentication for non-organizational users counters bypasses relying on assumed-immutable data.

References