What is the CVSS score of CVE-2020-15396?

CVE-2020-15396 has a CVSS 3.1 base score of 7.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.4%.

Is there a public PoC exploit available for CVE-2020-15396?

Yes, a public proof-of-concept exploit is available for CVE-2020-15396. Prioritise patching immediately. EPSS: 0.4%.

Is there a patch available for CVE-2020-15396?

Yes, a patch is available for CVE-2020-15396. Update the affected software to the latest version immediately.

Hylafax CVE-2020-15396

HIGH

Race Condition (CWE-362)

2020-06-30 cve@mitre.org

Race Condition Privilege Escalation Hylafax Hylafax Enterprise Fedora Backports Sle Leap

7.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.8 HIGH

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Jun 30, 2020 - 12:15 nvd

HIGH 7.8

DescriptionNVD

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.

AnalysisAI

In HylaFAX+ through 7.0.2 and HylaFAX Enterprise, the faxsetup utility calls chown on files in user-owned directories. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified under CWE-362. 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. Affected products include: Hylafax\+ Project Hylafax\+, Ifax Hylafax Enterprise, Fedoraproject Fedora, Opensuse Backports Sle, Opensuse Leap. Version information: through 7.0.2.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.