PT-2021-21660 · Nch · Nch Quorum

Published 2021-07-25 · Updated 2021-08-04 · CVE-2021-37447

Positive Technologies (AI Summary)

CVSS v3.1

8.1

High

Base vector

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

Name of the Vulnerable Software and Affected Versions NCH Quorum versions 2.03 and earlier

Description The issue allows an authenticated user to perform directory traversal, which can lead to file deletion. This is achieved by using the documentdelete?file=/.. endpoint.

Recommendations For NCH Quorum versions 2.03 and earlier, as a temporary workaround, consider restricting access to the documentdelete endpoint until a patch is available. Avoid using the file parameter in the affected endpoint to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Path traversal

Weakness Enumeration

CWE-22

Related Identifiers

CVE-2021-37447

Affected Products

Nch Quorum

References · 6

• 🔥 https://github.com/0xfml/poc/blob/main/NCH/Quorum_2.03_LFI.md · Exploit
• https://osv.dev/vulnerability/CVE-2021-37447 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-37447 · Security Note
• https://t.me/cibsecurity/26456 · Telegram Post
• https://t.me/cvenotify/18097 · Telegram Post
• https://nch.com.au/conference/index.html · Note