CVE-2022-37035

Name: CVE-2022-37035
Creator: NVD / NIST
Published: 2022-08-02T23:15:18.23+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.1/10EPSS 1.92%

Last modified Jun 17, 2026

CVE-2022-37035 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. An issue was discovered in bgpd in FRRouting (FRR) 8.3. In bgp_notify_send_with_data() and bgp_process_packet() in bgp_packet.c, there is a possible use-after-free due to a race condition. EPSS estimates a 1.92% chance of exploitation in the next 30 days.

Description

An issue was discovered in bgpd in FRRouting (FRR) 8.3. In bgp_notify_send_with_data() and bgp_process_packet() in bgp_packet.c, there is a possible use-after-free due to a race condition. This could lead to Remote Code Execution or Information Disclosure by sending crafted BGP packets. User interaction is not needed for exploitation.

Metrics

CVSS 3.1

8.1/10

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

EPSS Probability

1.92%

77.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-362

Affected Software

Vendor	Product	Versions
Frrouting	Frrouting	8.3

References

https://docs.google.com/document/d/1TqYEcZbFeDTMKe2N4XRFwyAjw_mynIHfvzwbx1fmJj8/edit?usp=sharingExploit, Third Party Advisory
https://github.com/FRRouting/frr/issues/11698Exploit, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2024/04/msg00019.html
https://docs.google.com/document/d/1TqYEcZbFeDTMKe2N4XRFwyAjw_mynIHfvzwbx1fmJj8/edit?usp=sharingExploit, Third Party Advisory
https://github.com/FRRouting/frr/issues/11698Exploit, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2024/04/msg00019.html
https://lists.debian.org/debian-lts-announce/2024/09/msg00007.html

Timeline

Published: Aug 2, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-37035?

How severe is CVE-2022-37035?

CVE-2022-37035 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 1.92% probability of exploitation in the next 30 days.

How do I fix CVE-2022-37035?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-37035?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST