PT-2021-14164 · Unknown · Clusterpro X+3

Published 2021-11-02 · Updated 2022-04-29 · CVE-2021-20705

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 exploited by sending malicious input to the vulnerable software.

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 to minimize the risk of exploitation.

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2021-20705

Affected Products

Clusterpro X

Clusterpro X Singleserversafe

Expresscluster X

Expresscluster X Singleserversafe

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2021-20705 · Security Note
• https://osv.dev/vulnerability/CVE-2021-20705 · Vendor Advisory
• https://jpn.nec.com/security-info/secinfo/nv21-015_en.html · Note
• https://t.me/cibsecurity/31701 · Telegram Post