CVE-2020-36657 - Vulnerability Details - OpenCVE

Description

uptimed before 0.4.6-r1 on Gentoo allows local users (with access to the uptimed user account) to gain root privileges by creating a hard link within the /var/spool/uptimed directory, because there is an unsafe chown -R call.

Published: 2023-01-25

Score: 7.8 High

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:uptimed_project:uptimed:*:*:*:*:*:gentoo:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2020-24103	uptimed before 0.4.6-r1 on Gentoo allows local users (with access to the uptimed user account) to gain root privileges by creating a hard link within the /var/spool/uptimed directory, because there is an unsafe chown -R call.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00044.

Exploitation poc

Automatable no

Technical Impact total

References

Link	Providers
https://bugs.gentoo.org/630810
https://security.gentoo.org/glsa/202305-14

History

Tue, 01 Apr 2025 20:15:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-59
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Subscriptions

Uptimed Project Uptimed

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2023-01-25T00:00:00.000Z

Updated: 2025-04-01T20:11:33.838Z

Reserved: 2023-01-25T00:00:00.000Z

Link: CVE-2020-36657

Vulnrichment

Updated: 2024-08-04T17:30:08.584Z

NVD

Status : Modified

Published: 2023-01-26T21:15:21.893

Modified: 2025-04-01T21:15:41.543

Link: CVE-2020-36657

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

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