PT-2021-23418 · Wazuh · Wazuh

Johannes Segitz · Published 2021-09-29 · Updated 2021-10-12 · CVE-2021-41821

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Wazuh versions through 4.1.5

Description The issue is related to a remote Integer Underflow vulnerability that might lead to denial of service. It requires a crafted message to be sent from an authenticated agent to the manager.

Recommendations For versions through 4.1.5, update to a version later than 4.1.5 to resolve the issue. As a temporary workaround, consider restricting access to authenticated agents to minimize the risk of exploitation.

Exploit

Fix

DoS

Integer Underflow

Weakness Enumeration

CWE-191

Related Identifiers

CVE-2021-41821

Affected Products

Wazuh

References · 6

• 🔥 https://github.com/wazuh/wazuh/issues/9201 · Exploit
• https://documentation.wazuh.com/current/release-notes/release_4_2_0.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-41821 · Security Note
• https://osv.dev/vulnerability/CVE-2021-41821 · Vendor Advisory
• https://t.me/cvenotify/21663 · Telegram Post
• https://t.me/cibsecurity/29696 · Telegram Post