CVE-2020-36617

Name: CVE-2020-36617
Creator: NVD / NIST
Published: 2022-12-18T15:15:09.95+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.55%

Last modified Jun 17, 2026

CVE-2020-36617 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A vulnerability was found in ewxrjk sftpserver. It has been declared as problematic. EPSS estimates a 0.55% chance of exploitation in the next 30 days.

Description

A vulnerability was found in ewxrjk sftpserver. It has been declared as problematic. Affected by this vulnerability is the function sftp_parse_path of the file parse.c. The manipulation leads to uninitialized pointer. The real existence of this vulnerability is still doubted at the moment. The name of the patch is bf4032f34832ee11d79aa60a226cc018e7ec5eed. It is recommended to apply a patch to fix this issue. The identifier VDB-216205 was assigned to this vulnerability. NOTE: In some deployment models this would be a vulnerability. README specifically warns about avoiding such deployment models.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

0.55%

41.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-908

Affected Software

Vendor	Product	Versions
Greenend	Sftpserver	< 2

References

https://github.com/ewxrjk/sftpserver/commit/bf4032f34832ee11d79aa60a226cc018e7ec5eedPatch, Third Party Advisory
https://vuldb.com/?id.216205Third Party Advisory
https://github.com/ewxrjk/sftpserver/commit/bf4032f34832ee11d79aa60a226cc018e7ec5eedPatch, Third Party Advisory
https://vuldb.com/?id.216205Third Party Advisory

Timeline

Published: Dec 18, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-36617?

How severe is CVE-2020-36617?

CVE-2020-36617 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.55% probability of exploitation in the next 30 days.

How do I fix CVE-2020-36617?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-36617?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST