CVE-2020-20277

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

25.25% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 97.7% of scored records. A rank, not a probability.

NVD base score

9.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2020-12-18 18:09Z5 YR AGO

Last updated

2024-08-04 14:15Z2 YR AGO

Reserved

2020-08-13

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

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

Data version

5.1

Document digest

5ca1b4e54c6d12f3760b563e8799b7cdb9bab783fee8e5ac0077148a48b9ec39

• github.comhttps://github.com/troglobit/uftpd/commit/455b47d3756aed162d2d0ef7f40b549f3b5b30fex_refsource_MISC
• arinerron.comhttps://arinerron.com/blog/posts/6x_refsource_MISC
• packetstormsecurity.comhttp://packetstormsecurity.com/files/167908/uftpd-2.10-Directory-Traversal.htmlx_refsource_MISC