CVE-2024-20419

CRITICAL
ACT NOW Priority: 8.09 BB Relevance: 90/100
Published: 2024-07-17 Modified: 2026-11-03 First seen: 2026-11-03 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction Conf. Impact Integ. Impact Scope Change

CVSS Vector Breakdown

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

Description

A vulnerability in the authentication system of Cisco Smart Software Manager On-Prem (SSM On-Prem) could allow an unauthenticated, remote attacker to change the password of any user, including administrative users. This vulnerability is due to improper implementation of the password-change process. An attacker could exploit this vulnerability by sending crafted HTTP requests to an affected device. A successful exploit could allow an attacker to access the web UI or API with the privileges of the compromised user.

Weakness Classification (1)

Affected Software (2)

Bug Bounty Relevance

90 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction
✓ High exploitation probability

CVSS Score

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

EPSS — Exploitation Probability

80.92%
Raw Score 0.809170
Percentile 99.6%
Date 2026-11-13

EPSS Trend

2026-11-13
0.80917
2026-11-12
0.80917
2026-11-10
0.80917
2026-11-09
0.80917
2026-11-08
0.80917
2026-11-07
0.80917
2026-11-06
0.80917
2026-11-05
0.80917
2026-11-04
0.80917
2026-11-03
0.80917

Intelligence Sources

mitre ref →
nvd ref →