PT-2022-11782 · Bbs · Bbs

Mysteryzo · Published 2022-03-28 · Updated 2022-04-04 · CVE-2021-43100

Positive Technologies (AI Summary)

CVSS v3.1

7.2

High

Base vector

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

Name of the Vulnerable Software and Affected Versions bbs version 5.3

Description A File Upload issue exists, allowing a remote malicious user to execute arbitrary code via the GetType function in TopicManageAction.java.

Recommendations For bbs version 5.3, consider restricting access to the GetType function in TopicManageAction.java until a patch is available. At the moment, there is no information about a newer version that contains a fix for this issue.

Exploit

Fix

Unrestricted File Upload

Weakness Enumeration

CWE-434

Related Identifiers

CVE-2021-43100

Affected Products

Bbs

References · 4

• 🔥 https://github.com/diyhi/bbs/issues/51 · Exploit
• https://osv.dev/vulnerability/CVE-2021-43100 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-43100 · Security Note
• https://t.me/cibsecurity/39694 · Telegram Post