What is CVE-2024-39551?

CVE-2024-39551 is a high-severity vulnerability in Juniper Junos, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2024-07-11.

How severe is CVE-2024-39551?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2024-39551 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Resource exhaustion in Juniper Junos

CVE-2024-39551

An Uncontrolled Resource Consumption vulnerability in the H.323 ALG (Application Layer Gateway) of Juniper Networks Junos OS on SRX Series and MX Series with SPC3 and MS-MPC/MIC, allows an unauthenticated network-based attacker to send sp…

Vulnerability class: DoS (Denial of Service)

EPSS: 0.005 (37.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Juniper Junos — versions 20.4, 21.2, 21.3
Juniper Ms-mic
Juniper Ms-mpc
Juniper Mx10004
Juniper Mx10008
Juniper Mx2008
Juniper Mx2010
Juniper Mx2020
Juniper Mx204
Juniper Mx240

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

sirt@juniper.net (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2024-39551?: CVE-2024-39551 is a high-severity vulnerability in Juniper Junos, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2024-07-11.
How severe is CVE-2024-39551?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2024-39551 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.