CVE-2020-20277 - Vulnerability Details - OpenCVE

Description

There are multiple unauthenticated directory traversal vulnerabilities in different FTP commands in uftpd FTP server versions 2.7 to 2.10 due to improper implementation of a chroot jail in common.c's compose_abspath function that can be abused to read or write to arbitrary files on the filesystem, leak process memory, or potentially lead to remote code execution.

Published: 2020-12-18

Score: 9.8 Critical

EPSS: 25.2% Moderate

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:troglobit:uftpd:*:*:*:*:*:*:*:*

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

No advisories yet.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.25249.

Key SSVC decision points have not yet been added.

References

Link	Providers
http://packetstormsecurity.com/files/167908/uftpd-2.10-Directory-Traversal.html
https://arinerron.com/blog/posts/6
https://github.com/troglobit/uftpd/commit/455b47d3756aed162d2d0ef7f40b549f3b5b30fe

History

No history.

Subscriptions

Troglobit Uftpd

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2020-12-18T18:09:00.000Z

Updated: 2024-08-04T14:15:29.021Z

Reserved: 2020-08-13T00:00:00.000Z

Link: CVE-2020-20277

Vulnrichment

No data.

NVD

Status : Modified

Published: 2020-12-18T19:15:14.110

Modified: 2026-06-17T03:02:56.150

Link: CVE-2020-20277

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-22
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

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