Cisco ASR 5000 CLI Command authorization

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

Summaryinfo

A vulnerability classified as critical has been found in Cisco ASR 5000. This affects an unknown part of the component CLI Command Handler. Performing a manipulation results in authorization. This vulnerability was named CVE-2021-1540. 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 ASR 5000 (Router Operating System) (version now known). It has been classified as critical. This affects some unknown processing of the component CLI Command Handler. The manipulation with an unknown input leads to a authorization vulnerability. CWE is classifying the issue as CWE-863. The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 06/04/2021 as cisco-sa-asr5k-autho-bypass-mJDF5S7n. It is possible to read the advisory at tools.cisco.com. This vulnerability is uniquely identified as CVE-2021-1540. The technical details are unknown and an exploit is not publicly available.

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: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Authorization
CWE: CWE-863 / CWE-285 / 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

11/13/2020 🔍
06/04/2021 +202 days 🔍
06/04/2021 +0 days 🔍
06/07/2021 +3 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-asr5k-autho-bypass-mJDF5S7n
Status: Confirmed

CVE: CVE-2021-1540 (🔍)
GCVE (CVE): GCVE-0-2021-1540
GCVE (VulDB): GCVE-100-176343

Entryinfo

Created: 06/04/2021 21:04
Updated: 06/07/2021 19:43
Changes: 06/04/2021 21:04 (38), 06/07/2021 19:36 (5), 06/07/2021 19:43 (1)
Complete: 🔍
Cache ID: 216::103

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