CVE-2021-1572

Published on: 08/04/2021 12:00:00 AM UTC

Last Modified on: 07/15/2022 05:38:00 PM UTC

CVE-2021-1572 - advisory for cisco-sa-confd-priv-esc-LsGtCRx4

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

Certain versions of Confd from Cisco contain the following vulnerability:

A vulnerability in ConfD could allow an authenticated, local attacker to execute arbitrary commands at the level of the account under which ConfD is running, which is commonly root. To exploit this vulnerability, an attacker must have a valid account on an affected device. The vulnerability exists because the affected software incorrectly runs the SFTP user service at the privilege level of the account that was running when the ConfD built-in Secure Shell (SSH) server for CLI was enabled. If the ConfD built-in SSH server was not enabled, the device is not affected by this vulnerability. An attacker with low-level privileges could exploit this vulnerability by authenticating to an affected device and issuing a series of commands at the SFTP interface. A successful exploit could allow the attacker to elevate privileges to the level of the account under which ConfD is running, which is commonly root. Note: Any user who can authenticate to the built-in SSH server may exploit this vulnerability. By default, all ConfD users have this access if the server is enabled. Software updates that address this vulnerability have been released.

  • CVE-2021-1572 has been assigned by URL Logo [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 vulnerability that is described in this advisory.
  • Affected Vendor/Software: URL Logo Cisco - Cisco ConfD version n/a

CVSS3 Score: 7.8 - HIGH

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

CVSS2 Score: 6.9 - MEDIUM

Access
Vector
Access
Complexity
Authentication
LOCAL MEDIUM NONE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
COMPLETE COMPLETE COMPLETE

CVE References

Description Tags Link
Cisco Network Services Orchestrator CLI Secure Shell Server Privilege Escalation Vulnerability Vendor Advisory
tools.cisco.com
text/html
URL Logo CISCO 20210804 Cisco Network Services Orchestrator CLI Secure Shell Server Privilege Escalation Vulnerability
ConfD CLI Secure Shell Server Privilege Escalation Vulnerability tools.cisco.com
text/html
URL Logo CISCO 20210804 ConfD CLI Secure Shell Server Privilege Escalation Vulnerability

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationCiscoConfdAllAllAllAll
ApplicationCiscoConfdAllAllAllAll
ApplicationCiscoNetwork Services OrchestratorAllAllAllAll
ApplicationCiscoNetwork Services OrchestratorAllAllAllAll
  • cpe:2.3:a:cisco:confd:*:*:*:*:*:*:*:*:
  • cpe:2.3:a:cisco:confd:*:*:*:*:*:*:*:*:
  • cpe:2.3:a:cisco:network_services_orchestrator:*:*:*:*:*:*:*:*:
  • cpe:2.3:a:cisco:network_services_orchestrator:*:*:*:*:*:*:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2021-1572 : A vulnerability in ConfD could allow an authenticated, local attacker to execute arbitrary command… twitter.com/i/web/status/1… 2021-08-04 17:23:08
© CVE.report 2023 Twitter Nitter Twitter Viewer |

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