How severe is CVE-2023-22407?

CVE-2023-22407 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-22407 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-22407?

CVE-2023-22407 primarily affects Juniper Junos. In total, 104 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-22407?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-22407 published?

CVE-2023-22407 was published on 2023-01-13 and last updated on 2026-06-17.

CVE-2023-22407

CVE-2023-22407 is a medium-severity vulnerability in Juniper Junos with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-459.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-459
Affected product: Juniper Junos
Published: 2023-01-13
Last modified: 2026-06-17

Description

An Incomplete Cleanup vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent, unauthenticated attacker to cause a Denial of Service (DoS). An rpd crash can occur when an MPLS TE tunnel configuration change occurs on a directly connected router. This issue affects: Juniper Networks Junos OS All versions prior to 18.4R2-S7; 19.1 versions prior to 19.1R3-S2; 19.2 versions prior to 19.2R3; 19.3 versions prior to 19.3R3; 19.4 versions prior to 19.4R3; 20.1 versions prior to 20.1R2; 20.2 versions prior to 20.2R2. Juniper Networks Junos OS Evolved All versions prior to 19.2R3-EVO; 19.3 versions prior to 19.3R3-EVO; 19.4 versions prior to 19.4R3-EVO; 20.1 versions prior to 20.1R3-EVO; 20.2 versions prior to 20.2R2-EVO.

Frequently asked questions

What is CVE-2023-22407?: An Incomplete Cleanup vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent, unauthenticated attacker to cause a Denial of Service (DoS). An rpd crash can occur when an MPLS TE tunnel configuration change occurs on a directly connected router. This issue affects: Juniper Networks Junos OS All versions prior to 18.4R2-S7; 19.1 versions prior to 19.1R3-S2; 19.2 versions prior to 19.2R3; 19.3 versions prior to 19.3R3; 19.4 versions prior to 19.4R3; 20.1 versions prior to 20.1R2; 20.2 versions prior to 20.2R2. Juniper Networks Junos OS Evolved All versions prior to 19.2R3-EVO; 19.3 versions prior to 19.3R3-EVO; 19.4 versions prior to 19.4R3-EVO; 20.1 versions prior to 20.1R3-EVO; 20.2 versions prior to 20.2R2-EVO.
How severe is CVE-2023-22407?: CVE-2023-22407 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-22407 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-22407?: CVE-2023-22407 primarily affects Juniper Junos. In total, 104 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-22407?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-22407 published?: CVE-2023-22407 was published on 2023-01-13 and last updated on 2026-06-17.

References

https://kb.juniper.net/JSA70203

Affected products (104)

cpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:18.4:-:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:18.4:r1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:18.4:r1-s1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:18.4:r1-s2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:18.4:r1-s3:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:18.4:r1-s4:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:18.4:r1-s5:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:18.4:r1-s6:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:18.4:r1-s7:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:18.4:r2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:18.4:r2-s1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:18.4:r2-s10:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:18.4:r2-s2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:18.4:r2-s3:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:18.4:r2-s4:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:18.4:r2-s5:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:18.4:r2-s6:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:19.1:-:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:19.1:r1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:19.1:r1-s1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:19.1:r1-s2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:19.1:r1-s3:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:19.1:r1-s4:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:19.1:r1-s5:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:19.1:r1-s6:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:19.1:r2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:19.1:r2-s1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:19.1:r2-s2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:19.1:r2-s3:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:19.1:r3:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:19.1:r3-s1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:19.2:-:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:19.2:r1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:19.2:r1-s1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:19.2:r1-s2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:19.2:r1-s3:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:19.2:r1-s4:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:19.2:r1-s5:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:19.2:r1-s6:*:*:*:*:*:*

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