CVE record · CVE-2023-0026

2023-06: Out-of-Cycle Security Bulletin: Junos OS and Junos OS Evolved: A BGP session will flap upon receipt of a specific, optional transitive attribute

CVSS 7.5 HighEPSS 0.0065 · 51st percentile

Published by the CVE Program (CNA: juniper) at 21 Jun 2023, 00:00 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Juniper Networks	Junos OS	unaffected unspecified to before 15.1R1 custom affected unspecified to before 20.4R3-S8 custom affected 21.1 to before 21.1* custom affected 21.2 to before 21.2R3-S6 custom affected 21.3 to before 21.3R3-S5 custom affected 21.4 to before 21.4R3-S4 custom affected 22.1 to before 22.1R3-S4 custom affected 22.2 to before 22.3R2-S2, 22.3R3-S1 custom affected 22.3 to before 22.2R3-S2 custom affected 22.4 to before 22.4R2-S1, 22.4R3 custom affected 23.1 to before 23.1R1-S1, 23.1R2 custom Other versions: unaffected
Juniper Networks	Junos OS Evolved	affected unspecified to before 20.4R3-S8-EVO custom affected 21.1R1-EVO to before 21.1* custom affected 21.2 to before 21.2R3-S6-EVO custom affected 21.3 to before 21.3R3-S5-EVO custom affected 21.4 to before 21.4R3-S4-EVO custom affected 22.1 to before 22.1R3-S4-EVO custom affected 22.2 to before 22.2R3-S2-EVO custom affected 22.3 to before 22.3R2-S2-EVO, 22.3R3-S1-EVO custom affected 22.4 to before 22.4R2-S1-EVO, 22.4R3-EVO custom affected 23.1 to before 23.1R1-S1-EVO, 23.1R2-EVO custom Other versions: unaffected

Identifiers: CVE-2023-0026
CNA: juniper
Weakness (CWE): CWE-20
Tags: Juniper Networks Junos OS
Juniper Networks Junos OS Evolved
CWE-20
Published: 21 Jun 2023
Updated: 6 Dec 2024

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
7.5	High	3.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	CNA (juniper)

CISA KEV Not listed.
EPSS 0.0065, the 51st percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 21 Jun 2023. New records show when each source confirmed them.

Sources

References from the CNA

supportportal.juniper.net/JSA71542 vendor-advisory
www.juniper.net/documentation/us/en/software/junos/bgp/topics/topic-map/bgp-error-messages.html product

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.