01 Record

CVE-2022-36440

A reachable assertion was found in Frrouting frr-bgpd 8.3.0 in the peek_for_as4_capability function. Attackers can maliciously construct BGP open packets and send them to BGP peers running frr-bgpd,

UnratedPUBLISHEDCNA: mitre

CNA base scoreUnratedNo CNA CVSS vector

View raw JSON

02 Description

A reachable assertion was found in Frrouting frr-bgpd 8.3.0 in the peek_for_as4_capability function. Attackers can maliciously construct BGP open packets and send them to BGP peers running frr-bgpd,

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 1.64% probability of exploitation activity in the next 30 days.
EPSS percentile: Ranks above 74.2% of scored records. A rank, not a probability.
NVD base score: 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD analysis status: Modified. NVD last modified this record on 2026-06-17.
Red Hat severity: Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2023-04-03 00:00Z3 YR AGO

Last updated

2024-08-03 10:07Z2 YR AGO

Reserved

2022-07-25

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

CWE-617Reachable AssertionBase

Data version

5.1

Document digest

cf76391c504812810e05fc520dd2372d61f40648381dd663ff8f92181af7397f

05 Affected products

VendorProductVersionsPlatforms

debiandebian_linuxNot specified—

fedoraprojectfedoraNot specified—

frroutingfrroutingNot specified—

redhatenterprise_linuxNot specified—

06 References

github.comhttps://github.com/spwpun/pocs
github.comhttps://github.com/spwpun/pocs/blob/main/frr-bgpd.md
lists.fedoraproject.orgFEDORA-2023-14ec79ae02https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GM66PNHGCXZU66LQCTP2FSJLFF6CVMSI/vendor-advisory
lists.fedoraproject.orgFEDORA-2023-2cb0f34efehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3HU4PKLUVB5CTMOVQ2GV33TNUNMJCBGD/vendor-advisory
lists.fedoraproject.orgFEDORA-2023-77d00facd0https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BBXEXL2ZQBWCBLNUP6P67FHECXQWSK3L/vendor-advisory
www.debian.orgDSA-5495https://www.debian.org/security/2023/dsa-5495vendor-advisory
lists.debian.org[debian-lts-announce] 20230919 [SECURITY] [DLA 3573-1] frr security updatehttps://lists.debian.org/debian-lts-announce/2023/09/msg00020.htmlmailing-list

01 Record index

CVE-2022-36440

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References

02 Records

CVE-2022-36440

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References