Is CVE-2020-36617 actively exploited?

No active exploitation of CVE-2020-36617 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2020-36617 be exploited remotely?

Yes. CVE-2020-36617 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2020-36617?

CVE-2020-36617 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2020-36617

CWE-908Published: December 18, 2022· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2020-36617 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.