PT-2020-17357 · Acs · Advanced Comment System

Francisco Javier Santiago Vázquez + 1 · Published 2020-12-23 · Updated 2021-02-08 · CVE-2020-35598

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 ACS Advanced Comment System version 1.0

Description The issue allows Directory Traversal via the advanced component system/index.php API endpoint, specifically through the ACS path variable. This can be exploited by manipulating the ACS path variable with a URI such as ..%2f.

Recommendations For ACS Advanced Comment System version 1.0, as a temporary workaround, consider restricting access to the advanced component system/index.php API endpoint until a patch is available. Avoid using the ACS path variable in this endpoint to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this issue.

Exploit

Fix

Path traversal

Weakness Enumeration

CWE-22

Related Identifiers

CVE-2020-35598

Affected Products

Advanced Comment System

References · 6

• 🔥 https://seclists.org/fulldisclosure/2020/Dec/13 · Exploit
• 🔥 https://exploit-db.com/exploits/49343 · Exploit
• https://osv.dev/vulnerability/CVE-2020-35598 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-35598 · Security Note
• https://t.me/cvenotify/7656 · Telegram Post
• https://t.me/cvenotify/9571 · Telegram Post