CVE-2020-15396
7.8
HIGH
CVSS 3.1
EPSS 0.04%
Description
In HylaFAX+ through 7.0.2 and HylaFAX Enterprise, the faxsetup utility calls chown on files in user-owned directories. By winning a race, a local attacker could use this to escalate his privileges to root.
How to fix CVE-2020-15396
To remediate CVE-2020-15396, upgrade the affected package to a fixed version below.
- Alpine/hylafaxplus—upgrade to 7.0.0-r4 or later
- Debian/hylafax—upgrade to 3:6.0.7-3.1 or later
Is CVE-2020-15396 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 7.0.0-r4
- from 0, < 3:6.0.7-3.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |