What is the CVSS score of CVE-2020-25031?

CVE-2020-25031 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: 0.5%.

Is there a public PoC exploit available for CVE-2020-25031?

Yes, a public proof-of-concept exploit is available for CVE-2020-25031. Prioritise patching immediately. EPSS: 0.5%.

Checkinstall CVE-2020-25031

HIGH

Improper Link Resolution Before File Access (CWE-59)

2020-08-31 cve@mitre.org

Information Disclosure Checkinstall

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

Aug 31, 2020 - 04:15 nvd

HIGH 7.8

DescriptionNVD

checkinstall 1.6.2, when used to create a package that contains a symlink, may trigger the creation of a mode 0777 executable file.

AnalysisAI

checkinstall 1.6.2, when used to create a package that contains a symlink, may trigger the creation of a mode 0777 executable file. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-59. checkinstall 1.6.2, when used to create a package that contains a symlink, may trigger the creation of a mode 0777 executable file. Affected products include: Canonical Checkinstall.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.