CVE-2021-41036 — CRITICAL (9.8)

Q: What is CVE-2021-41036?

CVE-2021-41036 is a vulnerability with a CVSS score of 9.8 (CRITICAL). In versions prior to 1.1 of the Eclipse Paho MQTT C Client, the client does not check rem_len size in readpacket.

Q: How severe is CVE-2021-41036?

CVE-2021-41036 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2021-41036?

Check the references section above for vendor advisories and patch information. Affected products include: Eclipse Paho Mqtt C\/C\+\+ Client.

Vulnerability Description

In versions prior to 1.1 of the Eclipse Paho MQTT C Client, the client does not check rem_len size in readpacket.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Eclipse	Paho Mqtt C\/C\+\+ Client	< 1.1.0

Related Weaknesses (CWE)

CWE-787

References

https://github.com/eclipse/paho.mqtt.embedded-c/issues/96Issue TrackingPatchThird Party Advisory
https://github.com/eclipse/paho.mqtt.embedded-c/issues/96Issue TrackingPatchThird Party Advisory

FAQ

What is CVE-2021-41036?

CVE-2021-41036 is a vulnerability with a CVSS score of 9.8 (CRITICAL). In versions prior to 1.1 of the Eclipse Paho MQTT C Client, the client does not check rem_len size in readpacket.

How severe is CVE-2021-41036?

CVE-2021-41036 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-41036?

Check the references section above for vendor advisories and patch information. Affected products include: Eclipse Paho Mqtt C\/C\+\+ Client.