Cisco Identity Services Engine X.509 Certificate certificate validation

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Cisco Identity Services Engine. The impacted element is an unknown function of the component X.509 Certificate Handler. Executing a manipulation can lead to certificate validation. This vulnerability is tracked as CVE-2021-1134. The attack can be launched remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Cisco Identity Services Engine (Policy Management Software) (the affected version unknown). It has been declared as critical. This vulnerability affects an unknown part of the component X.509 Certificate Handler. The manipulation with an unknown input leads to a certificate validation vulnerability. The CWE definition for the vulnerability is CWE-295. The product does not validate, or incorrectly validates, a certificate. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 06/29/2021 as cisco-sa-dnac-certvalid-USEj2CZk. The advisory is shared for download at tools.cisco.com. This vulnerability was named CVE-2021-1134. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1587.003.

Upgrading eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.7

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.4
NVD Vector: 🔍

CNA Base Score: 7.4
CNA Vector (Cisco Systems, Inc.): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Certificate validation
CWE: CWE-295 / CWE-287
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

11/13/2020 🔍
06/29/2021 +227 days 🔍
06/29/2021 +0 days 🔍
07/23/2025 +1485 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-dnac-certvalid-USEj2CZk
Status: Confirmed

CVE: CVE-2021-1134 (🔍)
GCVE (CVE): GCVE-0-2021-1134
GCVE (VulDB): GCVE-100-177712

Entryinfo

Created: 06/29/2021 07:50
Updated: 07/23/2025 19:55
Changes: 06/29/2021 07:50 (38), 07/03/2021 13:51 (5), 07/03/2021 13:56 (1), 07/23/2025 19:55 (42)
Complete: 🔍
Cache ID: 216::103

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