Is CVE-2017-12479 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2017-12479, but active exploitation has not been confirmed.

Can CVE-2017-12479 be exploited remotely?

Yes. CVE-2017-12479 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2017-12479?

CVE-2017-12479 has a CVSS score of 8.8 (HIGH).

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HIGHPOC

CVE-2017-12479

NVD-CWE-noinfoPublished: August 7, 2017· Updated: Jun 17, 2026

8.8

CVSS v3.1

Official Description

It was discovered that an issue in the session logic in Unitrends Backup (UB) before 10.0.0 allowed using the LOGDIR environment variable during a web session to elevate an existing low-privilege user to root privileges. A remote attacker with existing low-privilege credentials could then execute arbitrary commands with root privileges.

NVD Source

Technical Analysis

CVE-2017-12479 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

A proof-of-concept (PoC) exploit exists for CVE-2017-12479. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.