Cisco Evolved Programmable Network Manager Web-based Management Interface redirect

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Cisco Evolved Programmable Network Manager and Prime Infrastructure. The affected element is an unknown function of the component Web-based Management Interface. The manipulation leads to redirect. This vulnerability is listed as CVE-2026-20123. The attack may be initiated remotely. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Cisco Evolved Programmable Network Manager and Prime Infrastructure (version now known) and classified as problematic. This issue affects some unknown processing of the component Web-based Management Interface. The manipulation with an unknown input leads to a redirect vulnerability. Using CWE to declare the problem leads to CWE-601. A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks. Impacted is integrity. The summary by CVE is:

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.

The advisory is shared at sec.cloudapps.cisco.com. The identification of this vulnerability is CVE-2026-20123 since 10/08/2025. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 03/11/2026). MITRE ATT&CK project uses the attack technique T1204.001 for this issue.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2026-0308). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Affected

  • Cisco Evolved Programmable Network Manager
  • Cisco Prime Infrastructure

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.9
VulDB Meta Temp Score: 4.8

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔒

CNA Base Score: 4.3
CNA Vector (cisco): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Redirect
CWE: CWE-601
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

10/08/2025 CVE reserved
02/04/2026 +119 days Advisory disclosed
02/04/2026 +0 days VulDB entry created
03/11/2026 +35 days VulDB entry last update

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-epnm-pi-redirect-6sX82dN
Status: Confirmed

CVE: CVE-2026-20123 (🔒)
GCVE (CVE): GCVE-0-2026-20123
GCVE (VulDB): GCVE-100-344273
CERT Bund: WID-SEC-2026-0308 - Cisco Evolved Programmable Network Manager und Prime Infrastructure: Schwachstelle ermöglicht Darstellen falscher Informationen

Entryinfo

Created: 02/04/2026 17:47
Updated: 03/11/2026 02:17
Changes: 02/04/2026 17:47 (64), 02/05/2026 11:21 (7), 03/11/2026 02:17 (12)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

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