Cisco ASR 900/ASR 920 Access Control List access control

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco ASR 900 and ASR 920. It has been rated as critical. This issue affects some unknown processing of the component Access Control List Handler. This manipulation causes access control. This vulnerability appears as CVE-2021-34696. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in Cisco ASR 900 and ASR 920 (Router Operating System) (version unknown) and classified as critical. Affected by this vulnerability is an unknown function of the component Access Control List Handler. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect integrity, and availability.

The weakness was presented 09/23/2021 as cisco-sa-asr900acl-UeEyCxkv. The advisory is shared at tools.cisco.com. This vulnerability is known as CVE-2021-34696 since 06/15/2021. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

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: 6.2
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.8
CNA Vector (Cisco Systems, Inc.): 🔍

CVSSv2info

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

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
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

06/15/2021 🔍
09/23/2021 +100 days 🔍
09/23/2021 +0 days 🔍
10/01/2021 +8 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-asr900acl-UeEyCxkv
Status: Confirmed

CVE: CVE-2021-34696 (🔍)
GCVE (CVE): GCVE-0-2021-34696
GCVE (VulDB): GCVE-100-183253

Entryinfo

Created: 09/23/2021 12:31
Updated: 10/01/2021 14:51
Changes: 09/23/2021 12:31 (49), 10/01/2021 14:51 (1)
Complete: 🔍
Cache ID: 216::103

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