CVE-2025-52984

Junos OS and Junos OS Evolved: When a static route points to a reject next-hop and a gNMI query for this route is processed, RPD crashes

State: Published
Severity: 8.2 High
Published: Jul 11, 2025
Updated: Jul 15, 2025
Reserved: Jun 23, 2025

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Description

A NULL Pointer Dereference vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, network-based attacker to cause impact to the availability of the device.

When static route points to a reject next hop and a gNMI query is processed for that static route, rpd crashes and restarts.

This issue affects:

Junos OS: * all versions before 21.2R3-S9, * 21.4 versions before 21.4R3-S10, * 22.2 versions before 22.2R3-S6, * 22.4 versions before 22.4R3-S6, * 23.2 versions before 23.2R2-S3, * 23.4 versions before 23.4R2-S4, * 24.2 versions before 24.2R1-S2, 24.2R2;

Junos OS Evolved:

* all versions before 22.4R3-S7-EVO, * 23.2-EVO

versions before 23.2R2-S3-EVO, * 23.4-EVO versions before 23.4R2-S4-EVO, * 24.2-EVO versions before 24.2R2-EVO.

Scores

CVSS	Score	Vector	Source
4.0	8.2 High	CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/RE:M	juniper
3.1	5.9 Medium	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H	juniper

Weaknesses

CWE-476 NULL Pointer Dereference

Affected Products

Product	Versions
Junos OSJuniper Networks	before 21.2R3-S9Affected 21.4 to before 21.4R3-S10Affected 22.2 to before 22.2R3-S6Affected 22.4 to before 22.4R3-S6Affected 23.2 to before 23.2R2-S3Affected 23.4 to before 23.4R2-S4Affected 24.2 to before 24.2R1-S2, 24.2R2Affected
Junos OS EvolvedJuniper Networks	before 22.4R3-S7-EVOAffected 23.2-EVO to before 23.2R2-S3-EVOAffected 23.4-EVO to before 23.4R2-S4-EVOAffected 24.2-EVO to before 24.2R2-EVOAffected

References

https://supportportal.juniper.net/JSA100090vendor-advisory

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