CVE-2021-1540

Multiple vulnerabilities in the authorization process of Cisco ASR 5000 Series Software (StarOS) could allow an authenticated, remote attacker to bypass authorization and execute a subset of CLI commands on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

CVSS v3 8.1 HIGH
CVSS v2.0 6.0 MEDIUM

8.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

6.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:S/C:P/I:P/A:P

Exploitability : 6.8 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asr5k-autho-bypass-mJDF5S7n	Vendor Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asr5k-autho-bypass-mJDF5S7n	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

OR	cpe:2.3:o:cisco:staros::::::::
	cpe:2.3:o:cisco:staros::::::::
	cpe:2.3:o:cisco:staros::::::::
	cpe:2.3:o:cisco:staros::::::::
	cpe:2.3:o:cisco:staros::::::::
	cpe:2.3:o:cisco:staros::::::::

OR	cpe:2.3:h:cisco:asr_5000:-:::::::*
	cpe:2.3:h:cisco:asr_5500:-:::::::*
	cpe:2.3:h:cisco:asr_5700:-:::::::*

Configuration 2 (hide)

cpe:2.3:a:cisco:virtualized_packet_core:-:*:*:*:*:*:*:*

History

21 Nov 2024, 05:44

Type	Values Removed	Values Added
CVSS	v2 : ~~6.0~~ v3 : ~~7.2~~	v2 : 6.0 v3 : 8.1
References	~~() https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asr5k-autho-bypass-mJDF5S7n - Vendor Advisory~~	() https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asr5k-autho-bypass-mJDF5S7n - Vendor Advisory

Information

Published : 2021-06-04 17:15

Updated : 2024-11-21 05:44

NVD link : CVE-2021-1540

Mitre link : CVE-2021-1540

CVE.ORG link : CVE-2021-1540

JSON object : View

Products Affected

cisco

virtualized_packet_core
asr_5500
asr_5700
asr_5000
staros

CWE

CWE-863

Incorrect Authorization

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