Cisco IOS XE up to 17.13.1 on Catalyst Certificate Enrollment Protocol cleanup

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Cisco IOS XE on Catalyst. Affected by this vulnerability is an unknown functionality of the component Certificate Enrollment Protocol. Such manipulation leads to cleanup. This vulnerability is traded as CVE-2025-20293. The attack may be launched remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Cisco IOS XE on Catalyst. It has been rated as problematic. Affected by this issue is some unknown functionality of the component Certificate Enrollment Protocol. The manipulation with an unknown input leads to a cleanup vulnerability. Using CWE to declare the problem leads to CWE-459. The product does not properly "clean up" and remove temporary or supporting resources after they have been used. Impacted is confidentiality. CVE summarizes:

A vulnerability in the Day One setup process of Cisco IOS XE Software for Catalyst 9800 Series Wireless Controllers for Cloud (9800-CL) could allow an unauthenticated, remote attacker to access the public-key infrastructure (PKI) server that is running on an affected device. This vulnerability is due to incomplete cleanup upon completion of the Day One setup process. An attacker could exploit this vulnerability by sending Simple Certificate Enrollment Protocol (SCEP) requests to an affected device. A successful exploit could allow the attacker to request a certificate from the virtual wireless controller and then use the acquired certificate to join an attacker-controlled device to the virtual wireless controller.

The advisory is available at sec.cloudapps.cisco.com. This vulnerability is handled as CVE-2025-20293 since 10/10/2024. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 09/28/2025).

The vulnerability scanner Nessus provides a plugin with the ID 265890 (Cisco IOS XE Software for Catalyst 9800 Series Wireless Controller for Cloud Unauthenticated Access to Certificate Enrollment Service (cisco-sa-9800cl-openscep-SB4xtxzP)), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (265890). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.3
CNA Vector (cisco): 🔒

CVSSv2info

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

Exploitinginfo

Class: Cleanup
CWE: CWE-459
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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Nessus ID: 265890
Nessus Name: Cisco IOS XE Software for Catalyst 9800 Series Wireless Controller for Cloud Unauthenticated Access to Certificate Enrollment Service (cisco-sa-9800cl-openscep-SB4xtxzP)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

10/10/2024 CVE reserved
09/24/2025 +349 days Advisory disclosed
09/24/2025 +0 days VulDB entry created
09/28/2025 +4 days VulDB entry last update

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-9800cl-openscep-SB4xtxzP
Status: Confirmed

CVE: CVE-2025-20293 (🔒)
GCVE (CVE): GCVE-0-2025-20293
GCVE (VulDB): GCVE-100-325754
scip Labs: https://www.scip.ch/en/?labs.20150108

Entryinfo

Created: 09/24/2025 19:26
Updated: 09/28/2025 17:19
Changes: 09/24/2025 19:26 (31), 09/24/2025 19:27 (34), 09/28/2025 17:19 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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