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CVE-2024-20419

91
FAUCET Score

CVE-2024-20419 is a critical authentication bypass vulnerability in Cisco Smart Software Manager On-Prem (SSM On-Prem) that allows an unauthenticated, remote attacker to reset any user's password, including administrative accounts. This flaw, rated 10.0 CVSS, stems from improper password-change process implementation, enabling full system compromise via crafted HTTP requests. While not yet confirmed as actively exploited in the wild (KEV), public exploit code (Metasploit, Nuclei, ExploitDB) and significant community discussion (11 mentions) indicate a high likelihood of future exploitation. Media coverage further highlights the severity and potential for account takeover.

Impacted Technologies

VendorProductVersion(s)CPE
< 8-202112CPE matchmatch criteria
cpe:2.3:a:cisco:smart_software_manager_on-prem:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

10.0CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
6.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
80.64%
Probability of exploitation in next 30 days
EPSS Percentile
99.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Metasploit: Cisco Smart Software Manager (SSM) On-Prem Account Takeover (CVE-2024-20419) · Jul 20, 2024
Nuclei: CVE-2024-20419 · Sep 4, 2024
ExploitDB: EDB-52155 · Apr 10, 2025
This CVE's current EPSS score of 0.8064 is in the 98th percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 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-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