CVE-2025-20164

HIGH
MEDIUM Priority: 0.03 BB Relevance: 67/100
Published: 2025-05-07 Modified: 2026-11-03 First seen: 2026-11-03 Status: active

Attack Surface

Network Low Complexity No Interaction Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: Low
UI: None
S: Unchanged
C: Low
I: High
A: High

Description

A vulnerability in the Cisco Industrial Ethernet Switch Device Manager (DM) of Cisco IOS Software could allow an authenticated, remote attacker to elevate privileges. This vulnerability is due to insufficient validation of authorizations for authenticated users. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to elevate privileges to privilege level 15. To exploit this vulnerability, the attacker must have valid credentials for a user account with privilege level 5 or higher. Read-only DM users are assigned privilege level 5.

Weakness Classification (1)

Affected Software (75)

VendorProductVersion
Cisco IOS 15.0(2)SE8
Cisco IOS 15.0(2)EA
Cisco IOS 15.0(2)EA1
Cisco IOS 15.2(2)E
Cisco IOS 15.2(2)E1
Cisco IOS 15.2(3)E1
Cisco IOS 15.2(2)E2
Cisco IOS 15.2(2)E3
Cisco IOS 15.2(2a)E2
Cisco IOS 15.2(3)E2
Cisco IOS 15.2(3)E3
Cisco IOS 15.2(2)E4
Cisco IOS 15.2(2)E5
Cisco IOS 15.2(3)E4
Cisco IOS 15.2(5)E
Cisco IOS 15.2(2)E6
Cisco IOS 15.2(5)E1
Cisco IOS 15.2(2)E5a
Cisco IOS 15.2(5a)E1
Cisco IOS 15.2(2)E7
Cisco IOS 15.2(5)E2
Cisco IOS 15.2(6)E
Cisco IOS 15.2(5)E2c
Cisco IOS 15.2(2)E8
Cisco IOS 15.2(6)E0a
Cisco IOS 15.2(6)E1
Cisco IOS 15.2(6)E0c
Cisco IOS 15.2(2)E9
Cisco IOS 15.2(7)E
Cisco IOS 15.2(2)E10
Showing 30 of 75 entries

Bug Bounty Relevance

67 / 100
✓ Network accessible
✓ Low complexity
✓ No user interaction

CVSS Score

8.3 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H

EPSS — Exploitation Probability

0.35%
Raw Score 0.003480
Percentile 28.5%
Date 2026-11-07

EPSS Trend

2026-11-07
0.00348
2026-11-06
0.00342
2026-11-05
0.00342
2026-11-04
0.00342
2026-11-03
0.00342

Intelligence Sources

mitre ref →