PT-2022-11655 · Unknown · Siteserver Cms

Sobinge · Published 2022-05-24 · Updated 2022-06-03 · CVE-2021-42654

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions SiteServer CMS versions prior to 5.1

Description The issue is related to an unrestricted upload of a file with a dangerous type, which could be used to execute arbitrary code. This could potentially lead to significant security breaches.

Recommendations For versions prior to 5.1, update to version 5.1 or later to resolve the issue. As a temporary workaround, consider restricting file uploads to only allow safe file types until a patch is available.

Fix

Unrestricted File Upload

Weakness Enumeration

CWE-434

Related Identifiers

CVE-2021-42654

Affected Products

Siteserver Cms

References · 6

• https://github.com/siteserver/cms/releases/download/siteserver-dev-v5.0.92/siteserver_install.zip · Patch
• https://osv.dev/vulnerability/CVE-2021-42654 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-42654 · Security Note
• https://github.com/siteserver/cms · Note
• https://github.com/siteserver/cms/issues/3236 · Note
• https://t.me/cibsecurity/43246 · Telegram Post