MEDIUM · 4.3

CVE-2021-33586

InspIRCd 3.8.0 through 3.9.x before 3.10.0 allows any user (able to connect to the server) to access recently deallocated memory, aka the "malformed PONG" issue.

Vulnerability Description

InspIRCd 3.8.0 through 3.9.x before 3.10.0 allows any user (able to connect to the server) to access recently deallocated memory, aka the "malformed PONG" issue.

CVSS Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE

Affected Products

VendorProductVersions
InspircdInspircd>= 3.8.0, < 3.10.0

Related Weaknesses (CWE)

References

FAQ

What is CVE-2021-33586?

CVE-2021-33586 is a vulnerability with a CVSS score of 4.3 (MEDIUM). InspIRCd 3.8.0 through 3.9.x before 3.10.0 allows any user (able to connect to the server) to access recently deallocated memory, aka the "malformed PONG" issue.

How severe is CVE-2021-33586?

CVE-2021-33586 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-33586?

Check the references section above for vendor advisories and patch information. Affected products include: Inspircd Inspircd.