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CVE-2023-22407

MEDIUMCVSS 6.5/10EPSS 0.31%

Last modified

CVE-2023-22407 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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. EPSS estimates a 0.31% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
6.5/10

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability
0.31%

22.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
JuniperJunos< 18.4—
JuniperJunos18.4—
JuniperJunos19.1—
JuniperJunos19.2—
JuniperJunos19.3—
JuniperJunos19.4—
JuniperJunos20.1—
JuniperJunos20.2—
JuniperJunos Os Evolved< 19.2—
JuniperJunos Os Evolved19.2R1
JuniperJunos Os Evolved19.3R1
JuniperJunos Os Evolved19.4R1
JuniperJunos Os Evolved20.1—
JuniperJunos Os Evolved20.2—

References

Timeline

Published
Last Modified
Status
Modified

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 score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.31% probability of exploitation in the next 30 days.
How do I fix CVE-2023-22407?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-22407?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST