CVE-2022-22230

Routing-process crash via repeated valid OSPFv3 LSAs

Published Oct 18, 2022 · Updated May 12, 2025

Improper input validation in Juniper Networks Junos OS and Junos OS Evolved allows attackers to crash rpd with valid OSPFv3 LSAs. The Routing Protocol Daemon fails while processing more than one specific, otherwise valid OSPFv3 link-state advertisement generated by another router. Exposure requires an OSPFv3 configuration and adjacency to another router; OSPFv2 is unaffected, and the bounded consequence is a routing-process crash.

CVSS severity6.5
Medium
EPSS probability0.31%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper input validation in Juniper Networks Junos OS and Junos OS Evolved allows attackers to crash rpd with valid OSPFv3 LSAs. The Routing Protocol Daemon fails while processing more than one specific, otherwise valid OSPFv3 link-state advertisement generated by another router. Exposure requires an OSPFv3 configuration and adjacency to another router; OSPFv2 is unaffected, and the bounded consequence is a routing-process crash.

The record

CVE
CVE-2022-22230
Published
Oct 18, 2022
Updated
May 12, 2025
Vendor
Juniper Networks
Product
Junos OS Evolved
Classifications
CWE-20, T1499.004
Attack vector
adjacent
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 18, 2022CVE publishedPublication date reported by the CVE source.
  2. May 12, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=21.1-EVO <21.1R3-S2-EVO
  2. Affected versionversion=21.2-EVO <21.2R3-S1-EVO
  3. Affected versionversion=21.3-EVO <21.3R3-S2-EVO
  4. Affected versionversion=21.4-EVO <21.4R2-EVO
  5. Affected versionversion=22.1-EVO <22.1R2-EVO
  6. Affected versionversion=22.2-EVO <22.2R2-EVO
  7. Affected versionversion=unspecified <20.4R3-S5-EVO

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesunauthenticated

What is affected?

Juniper Networks · Junos OS Evolvedversion=21.1-EVO <21.1R3-S2-EVO; version=21.2-EVO <21.2R3-S1-EVO; version=21.3-EVO <21.3R3-S2-EVO; version=21.4-EVO <21.4R2-EVO; version=22.1-EVO <22.1R2-EVO; version=22.2-EVO <22.2R2-EVO; version=unspecified <20.4R3-S5-EVO
Juniper Networks · Junos OSversion=19.2 <19.2R3-S6 changes=[{"at":"19.2R2","status":"affected"}]; version=19.3R2 <19.3*; version=19.4 <19.4R2-S8, 19.4R3-S9; version=20.1R1 <20.1*; version=20.2 <20.2R3-S5; version=20.3 <20.3R3-S5; version=20.4 <20.4R3-S4; version=21.1 <21.1R3-S2; version=21.2 <21.2R3-S1; version=21.3 <21.3R3-S2; version=21.4 <21.4R2

Published CVSS scores

6.5Juniper Networks, Inc.CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectoradjacent
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-20Improper Input Validation
T1499.004Application or System Exploitation Flood

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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