CVE-2021-28166NULL Pointer Dereference in Eclipse Foundation Eclipse Mosquitto

Severity
6.5MEDIUMNVD
EPSS
0.6%
top 29.80%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedApr 7
Latest updateMay 24

Description

In Eclipse Mosquitto version 2.0.0 to 2.0.9, if an authenticated client that had connected with MQTT v5 sent a crafted CONNACK message to the broker, a NULL pointer dereference would occur.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages3 packages

CVEListV5the_eclipse_foundation/eclipse_mosquitto2.0unspecified+1
Debianeclipse/mosquitto< 2.0.10-1+3
NVDeclipse/mosquitto2.0.02.0.9

Patches

🔴Vulnerability Details

3
GHSA
GHSA-3647-h3m7-326w: In Eclipse Mosquitto version 22022-05-24
OSV
CVE-2021-28166: In Eclipse Mosquitto version 22021-04-07
CVEList
CVE-2021-28166: In Eclipse Mosquitto version 22021-04-07

📋Vendor Advisories

1
Debian
CVE-2021-28166: mosquitto - In Eclipse Mosquitto version 2.0.0 to 2.0.9, if an authenticated client that had...2021
CVE-2021-28166 — NULL Pointer Dereference | cvebase