CVE-2021-1145CWE-61

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

Medium · published January 13, 2021

CVSS v3.1
6.5
EPSS
1%
Percentile
70.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.01288 · 70.0th percentile
Weakness
CWE-61 · UNIX Symbolic Link (Symlink) Following
Published
2021-01-13T21:45Z
EPSS history
Timeline
  • 13 JAN 21:45Z
    Cisco StarOS for Cisco ASR 5000 Series Routers Arbitrary File Read Vulnerability
    cvelistv5