CVE-2026-20123: cisco cisco evolved programmable network manager (epnm) Open Redirect
Vulnerability summary
CVE-2026-20123 is a medium (CVSS 6.1) Open Redirect vulnerability in cisco cisco evolved programmable network manager (epnm). EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 11.2% of scored vulnerabilities.
Timeline
- 04-02-2026PublishedVulnerability first disclosed.
- 04-02-2026Last modifiedVulnerability information updated.
Description
A vulnerability in the web-based management interface of Cisco Evolved Programmable Network Manager (EPNM) and Cisco Prime Infrastructure could allow an unauthenticated, remote attacker to redirect a user to a malicious web page. This vulnerability is due to improper input validation of the parameters in the HTTP request. An attacker could exploit this vulnerability by intercepting and modifying an HTTP request from a user. A successful exploit could allow the attacker to redirect the user to a malicious web page.
CVSS metrics
2 scores · 2 sources · 1 version- CVE.orgCNA4.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:NDiffers
EPSS trend
Probability
0.22%
Chance of exploitation in the next 30 days
Percentile
11%
Versus all other CVEs
30-day change
+0.03 pp
From 0.19% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Cisco4 products
- cisco evolved programmable network manager (epnm)7.1.1 | 7.1.2.1 | 7.1.3 | 7.1.2 | 7.1.0 | 8.0.0 | 8.0.0.1 | 7.1.3.1 | 7.1.4 | 8.1.0 | 8.0.1 | 7.1.4.1 | 8.0.1.1
- cisco prime infrastructure3.10.0 | 3.10.2 | 3.10.3 | 3.10 | 3.10.1 | 3.10 Update 01 | 3.10.4 | 3.10.4 Update 01 | 3.10.4 Update 02 | 3.10.4 Update 03 | 3.10.5 | 3.10.6 | 3.10.6 Update 01 | 3.10.6 Security Update 03
- evolved_programmable_network_manager< 8.1.1
- prime_infrastructure< 3.10.6 | 3.10.6 | 3.10.6:security_update_01
1 vendor · 4 products
References
1 links- sec.cloudapps.cisco.com/security/…Vendor Advisory