PT-2021-14166 · Unknown · Clusterpro X+3

Published 2021-11-02 · Updated 2022-04-29 · CVE-2021-20707

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/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 in the Transaction Server, allowing an attacker to read files uploaded via the network. This can potentially lead to unauthorized access to sensitive data.

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 network access to the Transaction Server to minimize the risk of exploitation.

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2021-20707

Affected Products

Clusterpro X

Clusterpro X Singleserversafe

Expresscluster X

Expresscluster X Singleserversafe

References · 4

• https://osv.dev/vulnerability/CVE-2021-20707 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-20707 · Security Note
• https://jpn.nec.com/security-info/secinfo/nv21-015_en.html · Note
• https://t.me/cibsecurity/31694 · Telegram Post