CVE-2021-1145 - CVE House
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Status published Medium CVE-2021-1145

Cisco StarOS for Cisco ASR 5000 Series Routers Arbitrary File Read Vulnerability

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

Cisco ASR 5000 Series Software
Vulnerable Versions:
Unknown

Timeline

Official Publish: January 13th, 2021
Last Modified: November 12th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Weaknesses (CWE)

CWE-61

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.