CVE-2021-1145

Published on: 01/13/2021 12:00:00 AM UTC

Last Modified on: 03/23/2021 11:28:55 PM UTC

CVE-2021-1145 - advisory for cisco-sa-staros-file-read-L3RDvtey

Source: Mitre Source: NIST CVE.ORG Print: PDF PDF
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

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

A vulnerability in the Secure FTP (SFTP) of Cisco StarOS for Cisco ASR 5000 Series Routers could allow an authenticated, remote attacker to read arbitrary files on an affected device. To exploit this vulnerability, the attacker would need to have valid credentials on the affected device. The vulnerability is due to insecure handling of symbolic links. An attacker could exploit this vulnerability by sending a crafted SFTP command to an affected device. A successful exploit could allow the attacker to read arbitrary files on the affected device.

  • CVE-2021-1145 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as MEDIUM severity.
  • The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.
  • Affected Vendor/Software: URL Logo Cisco - Cisco ASR 5000 Series Software version n/a

CVSS3 Score: 6.5 - MEDIUM

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

CVSS2 Score: 4 - MEDIUM

Access
Vector ⓘ		 Access
Complexity		 Authentication
NETWORK LOW SINGLE
Confidentiality
Impact		 Integrity
Impact		 Availability
Impact
PARTIAL NONE NONE

CVE References

Description Tags ⓘ Link
Cisco StarOS for Cisco ASR 5000 Series Routers Arbitrary File Read Vulnerability Vendor Advisory
tools.cisco.com
text/html
 URL Logo CISCO 20210113 Cisco StarOS for Cisco ASR 5000 Series Routers Arbitrary File Read Vulnerability
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Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
Hardware Device InfoCiscoAsr 5000-AllAllAll
Hardware Device InfoCiscoAsr 5000-AllAllAll
Hardware Device InfoCiscoAsr 5000-AllAllAll
Hardware Device InfoCiscoAsr 5500-AllAllAll
Hardware Device InfoCiscoAsr 5500-AllAllAll
Hardware Device InfoCiscoAsr 5500-AllAllAll
Hardware Device InfoCiscoAsr 5700-AllAllAll
Hardware Device InfoCiscoAsr 5700-AllAllAll
Hardware Device InfoCiscoAsr 5700-AllAllAll
Operating
System		CiscoStarosAllAllAllAll
Operating
System		CiscoStarosAllAllAllAll
  • cpe:2.3:h:cisco:asr_5000:-:*:*:*:*:*:*:*:
  • cpe:2.3:h:cisco:asr_5000:-:*:*:*:*:*:*:*:
  • cpe:2.3:h:cisco:asr_5000:-:*:*:*:*:*:*:*:
  • cpe:2.3:h:cisco:asr_5500:-:*:*:*:*:*:*:*:
  • cpe:2.3:h:cisco:asr_5500:-:*:*:*:*:*:*:*:
  • cpe:2.3:h:cisco:asr_5500:-:*:*:*:*:*:*:*:
  • cpe:2.3:h:cisco:asr_5700:-:*:*:*:*:*:*:*:
  • cpe:2.3:h:cisco:asr_5700:-:*:*:*:*:*:*:*:
  • cpe:2.3:h:cisco:asr_5700:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:cisco:staros:*:*:*:*:*:*:*:*:
  • cpe:2.3:o:cisco:staros:*:*:*:*:*:*:*:*:
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