PT-2021-17837 · Soyal Technologies · Soyal 701Server

Gjoko Krstic · Published 2021-04-27 · Updated 2021-09-23 · CVE-2021-28271

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: Soyal Technologies SOYAL 701Server version 9.0.1

Description: The issue is related to an elevation of privileges that can be exploited by an authenticated user to change the executable file with a binary choice. This is due to improper permissions with the 'F' flag (Full) for 'Everyone' and 'Authenticated Users' group.

Recommendations: For SOYAL 701Server version 9.0.1, consider restricting the 'F' flag (Full) permissions for 'Everyone' and 'Authenticated Users' group to prevent unauthorized changes to executable files. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Incorrect Default Permissions

Weakness Enumeration

CWE-276

Related Identifiers

CVE-2021-28271

Affected Products

Soyal 701Server

References · 6

• 🔥 https://zeroscience.mk/en/vulnerabilities/ZSL-2021-5633.php · Exploit
• 🔥 https://zeroscience.mk/en/vulnerabilities · Exploit
• 🔥 https://exploit-db.com/exploits/49678 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-28271 · Security Note
• https://osv.dev/vulnerability/CVE-2021-28271 · Vendor Advisory
• https://t.me/cvenotify/13795 · Telegram Post