CVE-2023-44197
An Out-of-Bounds Write vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS). On all Junos OS and Junos OS Evolved devices an rpd crash and restart can occur while processing BGP route updates received over an established BGP session. This specific issue is observed for BGP routes learned via a peer which is configured with a BGP import policy that has hundreds of terms matching IPv4 and/or IPv6 prefixes. This issue affects Juniper Networks Junos OS: * All versions prior to 20.4R3-S8; * 21.1 version 21.1R1 and later versions; * 21.2 versions prior to 21.2R3-S2; * 21.3 versions prior to 21.3R3-S5; * 21.4 versions prior to 21.4R2-S1, 21.4R3-S5. This issue affects Juniper Networks Junos OS Evolved: * All versions prior to 20.4R3-S8-EVO; * 21.1-EVO version 21.1R1-EVO and later versions; * 21.2-EVO versions prior to 21.2R3-S2-EVO; * 21.3-EVO version 21.3R1-EVO and later versions; * 21.4-EVO versions prior to 21.4R2-S1-EVO, 21.4R3-S5-EVO.
Key facts
- CVSS score
- 7.5 (v3.1)
- Severity
- HIGH
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H- Weakness (CWE)
- CWE-787
- EPSS score
- 0.6% (48th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2023-48556)
- Published
- October 13, 2023
- NVD last modified
- June 17, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2023-48556 in the EU Vulnerability Database. Last updated in EUVD on September 19, 2024.
View on the EU Vulnerability DatabaseAffected products
- juniper / junos
- juniper / junos
- juniper / junos
- juniper / junos
- juniper / junos
- juniper / junos
- juniper / junos
- juniper / junos
- juniper / junos
- juniper / junos
- juniper / junos
- juniper / junos
- juniper / junos
- juniper / junos
- juniper / junos
- juniper / junos
- juniper / junos
- juniper / junos
- juniper / junos
- juniper / junos
- juniper / junos
- juniper / junos
- juniper / junos
- juniper / junos
- juniper / junos
- juniper / junos
- juniper / junos
- juniper / junos
- juniper / junos
- juniper / junos
- juniper / junos
- juniper / junos
- juniper / junos
- juniper / junos
- juniper / junos
- juniper / junos
- juniper / junos
- juniper / junos
- juniper / junos
- juniper / junos
- juniper / junos
- juniper / junos
- juniper / junos
- juniper / junos
- juniper / junos
- juniper / junos
- juniper / junos
- juniper / junos
- juniper / junos
- juniper / junos
and 60 more…
Certified products that may be affected
5 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.
- Junos Space Network Management Platform, with or without Network Director and with or without Security Director in JA2500 - Juniper Networks, Inc. - FIPS 140 3816 - historical
- Juniper Networks SRX345/SRX345-DUAL-AC with Junos 15.1X49-D110 - Juniper Networks, Inc. - FIPS 140 3247 - historical
- Junos-FIPS 10.4 L2 OS Cryptographic Module - Juniper Networks, Inc. - FIPS 140 1813 - historical
- Junos-FIPS 10.4 L1 OS Cryptographic Module - Juniper Networks, Inc. - FIPS 140 1772 - historical
- JUNOS-FIPS - Juniper Networks, Inc. - FIPS 140 602 - historical
References
- https://supportportal.juniper.net/JSA73163(Vendor Advisory)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
Query CVEs from your AI assistant
The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.
Add the CVE brain