PT-2021-14165 · Unknown · Clusterpro X+4

Published 2021-11-02 · Updated 2022-04-29 · CVE-2021-20706

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: CLUSTERPRO X versions 4.3 and earlier EXPRESSCLUSTER X versions 4.3 and earlier CLUSTERPRO X SingleServerSafe versions 4.3 and earlier EXPRESSCLUSTER X SingleServerSafe versions 4.3 and earlier

Description: The issue is related to improper input validation, allowing an attacker to perform remote file upload via the network. This can be achieved through the WebManager component.

Recommendations: For CLUSTERPRO X versions 4.3 and earlier, update to a version later than 4.3 to resolve the issue. For EXPRESSCLUSTER X versions 4.3 and earlier, update to a version later than 4.3 to resolve the issue. For CLUSTERPRO X SingleServerSafe versions 4.3 and earlier, update to a version later than 4.3 to resolve the issue. For EXPRESSCLUSTER X SingleServerSafe versions 4.3 and earlier, update to a version later than 4.3 to resolve the issue. As a temporary workaround, consider restricting access to the WebManager component to minimize the risk of exploitation.

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2021-20706

Affected Products

Clusterpro X

Clusterpro X Singleserversafe

Expresscluster X

Expresscluster X Singleserversafe

Webmanager

References · 4

• https://osv.dev/vulnerability/CVE-2021-20706 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-20706 · Security Note
• https://t.me/cibsecurity/31689 · Telegram Post
• https://jpn.nec.com/security-info/secinfo/nv21-015_en.html · Note