A vulnerability in the authentication system of Cisco Smart Software Manager On-Prem (SSM On-Prem) could allow an unauthenticated, remote a…

published 2024-07-17 2 y ago modified 2026-11-03 5 d ago also EUVD-2024-18134

cvss: 10.0; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 80.9%; EPSS 80.9% chance of exploitation in 30 days, percentile 99.6%
public exploits: 2; Metasploit, Exploit-DB, plus a Nuclei check

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.

Patch / fix

fixed in 1

cisco smart_software_manager_on-prem 8-202112

Timeline

2024-07-17 Published
2024-07-20 First public exploit (Metasploit auxiliary/admin/http/cisco_ssm_onprem_account)

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: total
Assessed: 2 y ago (2024-08-08)

Exploit prediction

80.92% chance of exploitation in the next 30 days, higher than 99.6% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

Metasploit auxiliary/admin/http/cisco_ssm_onprem_account Cisco Smart Software Manager (SSM) On-Prem Account Takeover (CVE-2024-20419) metasploit auxiliary, normal rank, 2024-07-20
EDB-52155 Cisco Smart Software Manager On-Prem 8-202206 - Account Takeover webapps, 2025-04-10
Nuclei template Cisco SSM On-Prem <= 8-202206 - Password Reset Account Takeover nuclei detection template

CVSS scores

assigned by	version	score	vector
CNA	3.1	10.0	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected products

Cisco Cisco Smart Software Manager On-Prem
cisco smart_software_manager_on-prem

Classification

Weakness

CWE-620 Unverified Password Change

References

sec.cloudapps.cisco.com /security/center/content/CiscoSecurityAdvisory/cisco-sa-cssm-auth-sLw3uhUy
vendor-advisory
secpod.com /blog/critical-flaw-in-ciscos-secure-email-gateways-allows-attackers-to-control-the-device-completely/
third-party-advisory

Sources

CVE List CVE-2024-20419
NVD CVE-2024-20419

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary