TI-2020-12143 Aliases CVE-2020-15396 GHSA-wg48-gxwc-c947

In HylaFAX+ through 7.0.2 and HylaFAX Enterprise, the faxsetup utility calls chown on…

LOW 34CWE-362Published 2020-06-30 · Updated 2024-08-04

Key facts

Attack vector: Local
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.00387 33rd percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 8

CPE	Versions	Role	Vendor
cpe:2.3:a:hylafax\+_project:hylafax\+::::::::	up to 7.0.2	Vulnerable	Hylafax+ Project
cpe:2.3:a:ifax:hylafax_enterprise:-:::::::*	not specified by NVD	Vulnerable	ifax
cpe:2.3:o:fedoraproject:fedora:31:::::::*	31	Vulnerable	Fedoraproject
cpe:2.3:o:fedoraproject:fedora:32:::::::*	32	Vulnerable	Fedoraproject
cpe:2.3:a:opensuse:backports_sle:15.0:sp1::::::	15.0 sp1	Vulnerable	openSUSE
cpe:2.3:a:opensuse:backports_sle:15.0:sp2::::::	15.0 sp2	Vulnerable	openSUSE
cpe:2.3:o:opensuse:leap:15.1:::::::*	15.1	Vulnerable	openSUSE
cpe:2.3:o:opensuse:leap:15.2:::::::*	15.2	Vulnerable	openSUSE

cpe:2.3:a:hylafax\+_project:hylafax\+:*:*:*:*:*:*:*:* Versions up to 7.0.2 Vulnerable ·Hylafax+ Project
cpe:2.3:a:ifax:hylafax_enterprise:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·ifax
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* Versions 31 Vulnerable ·Fedoraproject
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* Versions 32 Vulnerable ·Fedoraproject
cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:* Versions 15.0 sp1 Vulnerable ·openSUSE
cpe:2.3:a:opensuse:backports_sle:15.0:sp2:*:*:*:*:*:* Versions 15.0 sp2 Vulnerable ·openSUSE
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* Versions 15.1 Vulnerable ·openSUSE
cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:* Versions 15.2 Vulnerable ·openSUSE

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product

Red Hat

Timeline

2026-10-02 Threatist record created from CVE-2020-15396
2026-10-03 Alias added: GHSA-wg48-gxwc-c947

References

Exploit 1

https://bugzilla.suse.com/show_bug.cgi?id=1173521

Patch 1

https://sourceforge.net/p/hylafax/HylaFAX+/2534/

Advisory 7

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences