CVE detail

CVE-2023-44204 — CVE-2023-44204

Published 2023-10-13 · Modified 2026-06-17 · Vendor juniper · Product junos · Source nvd
MEDIUM
severity
CVSS-derived band
6.5
CVSS v3
0–10 scale
0.0027
EPSS probability
exploitation probability, 30d
19.0%
EPSS percentile
percentile vs all CVEs
NOT LISTED
CISA KEV
known exploited catalog

Description

An Improper Validation of Syntactic Correctness of Input vulnerability in Routing Protocol Daemon (rpd) Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, network based attacker to cause a Denial of Service (DoS). When a malformed BGP UPDATE packet is received over an established BGP session, the rpd crashes and restarts. This issue affects both eBGP and iBGP implementations. This issue affects: Juniper Networks Junos OS * 21.4 versions prior to 21.4R3-S4; * 22.1 versions prior to 22.1R3-S3; * 22.2 versions prior to 22.2R3-S2; * 22.3 versions prior to 22.3R2-S2, 22.3R3; * 22.4 versions prior to 22.4R2-S1, 22.4R3; * 23.2 versions prior to 23.2R1, 23.2R2; Juniper Networks Junos OS Evolved * 21.4 versions prior to 21.4R3-S5-EVO; *

Remediation

vendor remediation guidance

The following software releases have been updated to resolve this specific issue: Junos OS: 21.4R3-S4, 22.1R3-S3, 22.2R3-S2, 22.3R2-S2, 22.3R3, 22.4R2-S1, 22.4R3, 23.1R2, 23.2R1, 23.2R2, 23.3R1 and all subsequent releases. Junos OS Evolved: 22.1R3-S3-EVO, 22.3R2-S2-EVO, 22.4R3-EVO, 23.1R2-EVO, 23.2R2-EVO, 23.3R1-EVO and all subsequent releases.

workarounds

There are no known workarounds for this issue.

ProductVulnerable rangeFixed versionAdvisory
Juniper Networks Junos OS>=21.4<21.4R3-S421.4R3-S4advisory ↗
Juniper Networks Junos OS>=22.1<22.1R3-S322.1R3-S3advisory ↗
Juniper Networks Junos OS>=22.2<22.2R3-S222.2R3-S2advisory ↗
Juniper Networks Junos OS>=22.3<22.3R2-S2, 22.3R322.3R2-S2, 22.3R3advisory ↗
Juniper Networks Junos OS>=22.4<22.4R2-S1, 22.4R322.4R2-S1, 22.4R3advisory ↗
Juniper Networks Junos OS>=23.2<23.2R1, 23.2R223.2R1, 23.2R2advisory ↗
Juniper Networks Junos OS Evolved>=21.4-EVO<21.4R3-S5-EVO21.4R3-S5-EVOadvisory ↗
Juniper Networks Junos OS Evolved>=22.1-EVO<22.1R3-S3-EVO22.1R3-S3-EVOadvisory ↗
Juniper Networks Junos OS Evolved>=22.2-EVO<22.2R3-S3-EVO22.2R3-S3-EVOadvisory ↗
Juniper Networks Junos OS Evolved>=22.3-EVO<22.3R2-S2-EVO22.3R2-S2-EVOadvisory ↗
Juniper Networks Junos OS Evolved>=22.4-EVO<22.4R3-EVO22.4R3-EVOadvisory ↗
Juniper Networks Junos OS Evolved>=23.2-EVO<23.2R2-EVO23.2R2-EVOadvisory ↗

References

cvedb.io · NVD · CISA KEV · FIRST EPSS · vendor advisories (CVE Program List v5). Informational only, no warranty — verify every remediation against the vendor advisory before acting on it. This product uses data from the NVD API but is not endorsed or certified by the NVD, CISA, FIRST.org or any vendor named. CVE® is a registered trademark of The MITRE Corporation.