CVE-2021-1539

Published on: 06/04/2021 12:00:00 AM UTC

Last Modified on: 06/14/2021 06:36:00 PM UTC

CVE-2021-1539 - advisory for cisco-sa-asr5k-autho-bypass-mJDF5S7n

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Certain versions of Asr 5000 from Cisco contain the following vulnerability:

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.

CVE-2021-1539 has been assigned by [email protected] to track the vulnerability - currently rated as HIGH severity.
The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory.
Affected Vendor/Software: Cisco - Cisco ASR 5000 Series Software version n/a

CVSS3 Score: 8.8 - HIGH

Attack Vector ^ⓘ	Attack Complexity	Privileges Required	User Interaction
NETWORK	LOW	LOW	NONE
Scope	Confidentiality Impact	Integrity Impact	Availability Impact
UNCHANGED	HIGH	HIGH	HIGH

CVSS2 Score: 6.5 - MEDIUM

Access Vector^ⓘ	Access Complexity	Authentication
NETWORK	LOW	SINGLE
Confidentiality Impact	Integrity Impact	Availability Impact
PARTIAL	PARTIAL	PARTIAL

CVE References

Description	Tags ^ⓘ	Link
Cisco ASR 5000 Series Software Authorization Bypass Vulnerabilities	tools.cisco.com text/html	CISCO 20210602 Cisco ASR 5000 Series Software Authorization Bypass Vulnerabilities

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There are currently no QIDs associated with this CVE

Known Affected Configurations (CPE V2.3)

Type	Vendor	Product	Version	Update	Edition	Language
Hardware	Cisco	Asr 5000	-	All	All	All
Hardware	Cisco	Asr 5500	-	All	All	All
Hardware	Cisco	Asr 5700	-	All	All	All
Operating System	Cisco	Staros	All	All	All	All
Application	Cisco	Virtualized Packet Core	-	All	All	All

cpe:2.3:h:cisco:asr_5000:-:*:*:*:*:*:*:*:
cpe:2.3:h:cisco:asr_5500:-:*:*:*:*:*:*:*:
cpe:2.3:h:cisco:asr_5700:-:*:*:*:*:*:*:*:
cpe:2.3:o:cisco:staros:*:*:*:*:*:*:*:*:
cpe:2.3:a:cisco:virtualized_packet_core:-:*:*:*:*:*:*:*:

No vendor comments have been submitted for this CVE

Social Mentions

Source	Title	Posted (UTC)
@CVEreport	CVE-2021-1539 : Multiple vulnerabilities in the authorization process of Cisco ASR 5000 Series Software StarOS co… twitter.com/i/web/status/1…	2021-06-04 16:57:32
/r/netcve	CVE-2021-1539	2021-06-04 17:41:32