What is CVE-2021-1612?

CVE-2021-1612 is a medium-severity vulnerability in Cisco iOS Xe Sd-Wan Software, classified under UNIX Symbolic Link (Symlink) Following. CVSS score: 5.5/10. Published 2021-09-23.

How severe is CVE-2021-1612?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Cisco iOS Xe Sd-Wan Software

CVE-2021-1612

A vulnerability in the Cisco IOS XE SD-WAN Software CLI could allow an authenticated, local attacker to overwrite arbitrary files on the local system. This vulnerability is due to improper access controls on files within the local file system. An attacker could exploit this vulnerability by placing a symbolic link in a specific location on the local file system. A successful exploit could allow the attacker to overwrite arbitrary files on an affected device.

EPSS: 0.003 (16.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

Affected products

Cisco Ios Xe Sd-wan Software — versions n/a
Cisco Sd-wan

Weakness classification (CWE)

References

psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2021-1612?: CVE-2021-1612 is a medium-severity vulnerability in Cisco iOS Xe Sd-Wan Software, classified under UNIX Symbolic Link (Symlink) Following. CVSS score: 5.5/10. Published 2021-09-23.
How severe is CVE-2021-1612?: Medium severity. CVSS v3 base score is 5.5 out of 10.