CVE-2023-22398

Junos OS and Junos OS Evolved: RPD might crash when MPLS ping is performed on BGP LSPs

MEDIUM

5.5

CVSS Score

Published: January 12, 2023 at 12:00 AM UTC

Updated: June 17, 2026 at 05:35 AM UTC

3 products affected across 2 vendorsJunosJunos OS EvolvedJunos OS Evolved

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Severity

MEDIUM5.5

Exploit prediction

EPSS 0.2%

SSVC

No known exploit

Description

An Access of Uninitialized Pointer vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a locally authenticated attacker with low privileges to cause a Denial of Service (DoS). When an MPLS ping is performed on BGP LSPs, the RPD might crash. Repeated execution of this operation will lead to a sustained DoS. This issue affects: Juniper Networks Junos OS: 15.1 versions prior to 15.1R7-S12; 19.1 versions prior to 19.1R3-S9; 19.2 versions prior to 19.2R1-S9, 19.2R3-S5; 19.3 versions prior to 19.3R3-S6; 19.4 versions prior to 19.4R2-S7, 19.4R3-S8; 20.1 versions prior to 20.1R3-S4; 20.2 versions prior to 20.2R3-S5; 20.3 versions prior to 20.3R3-S5; 20.4 versions prior to 20.4R3-S4; 21.1 versions prior to 21.1R1-S1, 21.1R2; Juniper Networks Junos OS Evolved: All versions prior to 20.4R3-S4; 21.1 versions prior to 21.1R2-EVO.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Junos OS Evolved · Juniper

95%

20.4 20.4 r1 20.4 r1-s1 20.4 r1-s2 20.4 r2 20.4 r2-s1 20.4 r2-s2 20.4 r2-s3 20.4 r3 20.4 r3-s1 20.4 r3-s2 20.4 r3-s3 21.1 21.1 r1 21.1 r1-s1

Junos · Juniper Networks

95%

15.1 ≤ v < 15.1R7-S1219.1 ≤ v < 19.1R3-S919.2 ≤ v < 19.2R1-S9, 19.2R3-S519.3 ≤ v < 19.3R3-S619.4 ≤ v < 19.4R2-S7, 19.4R3-S820.1 ≤ v < 20.1R3-S420.2 ≤ v < 20.2R3-S520.3 ≤ v < 20.3R3-S520.4 ≤ v < 20.4R3-S421.1 ≤ v < 21.1R1-S1, 21.1R215.1 15.1 a1 15.1 f1 15.1 f2 15.1 f2-s1 15.1 f2-s2 15.1 f2-s3 15.1 f2-s4 15.1 f3 15.1 f4 15.1 f5 15.1 f5-s7 15.1 f6 15.1 f6-s1 15.1 f6-s10 15.1 f6-s12 15.1 f6-s2 15.1 f6-s3 15.1 f6-s4 15.1 f6-s5 15.1 f6-s6 15.1 f6-s7 15.1 f6-s8 15.1 f6-s9 15.1 f7 15.1 r1 15.1 r2 15.1 r3 15.1 r4 15.1 r4-s7 15.1 r4-s8 15.1 r4-s9 15.1 r5 15.1 r5-s1 15.1 r5-s3 15.1 r5-s5 15.1 r5-s6 15.1 r6 15.1 r6-s1 15.1 r6-s2 15.1 r6-s3 15.1 r6-s4 15.1 r6-s6 15.1 r7 15.1 r7-s1 15.1 r7-s10 15.1 r7-s11 15.1 r7-s2 15.1 r7-s3 15.1 r7-s4 15.1 r7-s5 15.1 r7-s6 15.1 r7-s7 15.1 r7-s8 15.1 r7-s9 19.1 19.1 r1 19.1 r1-s1 19.1 r1-s2 19.1 r1-s3 19.1 r1-s4 19.1 r1-s5 19.1 r1-s6 19.1 r2 19.1 r2-s1 19.1 r2-s2 19.1 r2-s3 19.1 r3 19.1 r3-s1 19.1 r3-s2 19.1 r3-s3 19.1 r3-s4 19.1 r3-s5 19.1 r3-s6 19.1 r3-s7 19.1 r3-s8 19.2 19.2 r1 19.2 r1-s1 19.2 r1-s2 19.2 r1-s3 19.2 r1-s4 19.2 r1-s5 19.2 r1-s6 19.2 r1-s7 19.2 r1-s8 19.2 r3 19.2 r3-s1 19.2 r3-s2 19.2 r3-s3 19.2 r3-s4 19.3 19.3 r1 19.3 r1-s1 19.3 r2 19.3 r2-s1 19.3 r2-s2 19.3 r2-s3 19.3 r2-s4 19.3 r2-s5 19.3 r2-s6 19.3 r3 19.3 r3-s1 19.3 r3-s2 19.3 r3-s3 19.3 r3-s4 19.3 r3-s5 19.4 19.4 r1 19.4 r1-s1 19.4 r1-s2 19.4 r1-s3 19.4 r1-s4 19.4 r2 19.4 r2-s1 19.4 r2-s2 19.4 r2-s3 19.4 r2-s4 19.4 r2-s5 19.4 r2-s6 19.4 r3 19.4 r3-s1 19.4 r3-s2 19.4 r3-s3 19.4 r3-s4 19.4 r3-s5 19.4 r3-s6 19.4 r3-s7 20.1 20.1 r1 20.1 r1-s1 20.1 r1-s2 20.1 r1-s3 20.1 r1-s4 20.1 r2 20.1 r2-s1 20.1 r2-s2 20.1 r3 20.1 r3-s1 20.1 r3-s2 20.1 r3-s3 20.2 20.2 r1 20.2 r1-s1 20.2 r1-s2 20.2 r1-s3 20.2 r2 20.2 r2-s1 20.2 r2-s2 20.2 r2-s3 20.2 r3 20.2 r3-s1 20.2 r3-s2 20.2 r3-s3 20.2 r3-s4 20.3 20.3 r1 20.3 r1-s1 20.3 r1-s2 20.3 r2 20.3 r2-s1 20.3 r3 20.3 r3-s1 20.3 r3-s2 20.3 r3-s3 20.3 r3-s4 20.4 20.4 r1 20.4 r1-s1 20.4 r2 20.4 r2-s1 20.4 r2-s2 20.4 r3 20.4 r3-s1 20.4 r3-s2 20.4 r3-s3 21.1 21.1 r1

Affected range stops below 15.1R7-S12, so it looks safe — our inference, not a vendor statement

Affected range stops below 19.1R3-S9, so it looks safe — our inference, not a vendor statement

Affected range stops below 19.2R1-S9, 19.2R3-S5, so it looks safe — our inference, not a vendor statement

Affected range stops below 19.3R3-S6, so it looks safe — our inference, not a vendor statement

Affected range stops below 19.4R2-S7, 19.4R3-S8, so it looks safe — our inference, not a vendor statement

Affected range stops below 20.1R3-S4, so it looks safe — our inference, not a vendor statement

Affected range stops below 20.2R3-S5, so it looks safe — our inference, not a vendor statement

Affected range stops below 20.3R3-S5, so it looks safe — our inference, not a vendor statement

Affected range stops below 20.4R3-S4, so it looks safe — our inference, not a vendor statement

Affected range stops below 21.1R1-S1, 21.1R2, so it looks safe — our inference, not a vendor statement

Junos OS Evolved · Juniper Networks

60%

v < 20.4R3-S4-EVO21.1 ≤ v < 21.1R2-EVO21.1

Affected range stops below 20.4R3-S4-EVO, so it looks safe — our inference, not a vendor statement

Affected range stops below 21.1R2-EVO, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://kb.juniper.net/JSA70181

References (1)

Vendor Advisory

Source: [email protected]

https://kb.juniper.net/JSA70181

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUM[email protected]

Attack Vector: LOCAL
Complexity: LOW
Privileges: LOW
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: NONE
Integrity: NONE
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-824

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