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Fencer Intel
high 8.8

CVE-2017-12479 in the critical feed json

It was discovered that an issue in the session logic in Unitrends Backup (UB) before 10.0.0 allowed using the LOGDIR environment variable d…

published 9y ago modified 4mo ago also EUVD-2017-4051

cvss
8.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
11.8%
EPSS 11.8% chance of exploitation in 30 days, percentile 96%
public exploits
1
Exploit-DB

Summary

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.

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Timeline

  1. Published
  2. First public exploit (EDB-42959)

Exploit prediction

11.81% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-42959 Unitrends UEB 9.1 - Privilege Escalation webapps, 2017-08-08

CVSS scores

assigned by version score vector
NVD 3.0 8.8 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 9.0 AV:N/AC:L/Au:S/C:C/I:C/A:C

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.