CVE-2023-28980

MEDIUM

Juniper Networks Junos OS - Use After Free

Title source: llm
STIX 2.1

Description

A Use After Free vulnerability in the routing protocol daemon of Juniper Networks Junos OS and Junos OS Evolved allows a locally authenticated attacker with low privileges to cause Denial of Service (DoS). In a rib sharding scenario the rpd process will crash shortly after specific CLI command is issued. This issue is more likely to occur in a scenario with high route scale (>1M routes). This issue affects: Juniper Networks Junos OS * 20.2 version 20.2R3-S5 and later versions prior to 20.2R3-S6; * 20.3 version 20.3R3-S2 and later versions prior to 20.3R3-S5; * 20.4 version 20.4R3-S1 and later versions prior to 20.4R3-S4 * 21.1 version 21.1R3 and later versions prior to 21.1R3-S3; * 21.2 version 21.2R1-S2, 21.2R2-S1 and later versions prior to 21.2R3-S2; * 21.3 version 21.3R2 and later versions prior to 21.3R3; * 21.4 versions prior to 21.4R2-S1, 21.4R3; * 22.1 versions prior to 22.1R2. Juniper Networks Junos OS Evolved * 20.4-EVO version 20.4R3-S1-EVO and later versions prior to 20.4R3-S6-EVO; * 21.2-EVO version 21.2R1-S2-EVO and later versions prior to 21.2R3-S4-EVO; * 21.3-EVO version 21.3R2-EVO and later versions prior to 21.3R3-S1-EVO; * 21.4-EVO versions prior to 21.4R2-S1-EVO, 21.4R3-EVO; * 22.1-EVO versions prior to 22.1R2-EVO.

References (1)

Core 1
Core References
Vendor Advisory vendor-advisory
https://supportportal.juniper.net/JSA70606

Scores

CVSS v3 5.5
EPSS 0.0006
EPSS Percentile 18.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-416
Status published
Products (12)
juniper/junos 20.2 r3-s5
juniper/junos 20.3 r3-s2 (3 CPE variants)
juniper/junos 20.4 r3-s1 (3 CPE variants)
juniper/junos 21.1 r3 (3 CPE variants)
juniper/junos 21.2 r1-s2 (5 CPE variants)
juniper/junos 21.3 r2 (3 CPE variants)
juniper/junos 21.4 (6 CPE variants)
juniper/junos 22.1 r1 (3 CPE variants)
juniper/junos_os_evolved 20.4 r3-s1 (5 CPE variants)
juniper/junos_os_evolved 21.2 r1-s2 (8 CPE variants)
... and 2 more
Published Apr 17, 2023
Tracked Since Feb 18, 2026