What is CVE-2024-30391?

CVE-2024-30391 is a medium-severity vulnerability in Juniper Csrx, classified under Missing Authentication for Critical Function. CVSS score: 4.8/10. Published 2024-04-12.

How severe is CVE-2024-30391?

Medium severity. CVSS v3 base score is 4.8 out of 10.

Is CVE-2024-30391 known to be exploited?

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

Auth bypass in Juniper Csrx

CVE-2024-30391

A Missing Authentication for Critical Function vulnerability in the Packet Forwarding Engine (pfe) of Juniper Networks Junos OS on MX Series with SPC3, and SRX Series allows an unauthenticated network-based attacker to cause limited impact…

Vulnerability class: Broken Authentication

EPSS: 0.004 (34.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L.

Affected products

Juniper Csrx
Juniper Junos — versions 20.4, 21.1, 21.2
Juniper Mx240
Juniper Mx480
Juniper Mx960
Juniper Srx100
Juniper Srx110
Juniper Srx1400
Juniper Srx1500
Juniper Srx1600

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

sirt@juniper.net (vendor-advisory, Vendor Advisory)
sirt@juniper.net (technical-description, Not Applicable)

Frequently asked questions

What is CVE-2024-30391?: CVE-2024-30391 is a medium-severity vulnerability in Juniper Csrx, classified under Missing Authentication for Critical Function. CVSS score: 4.8/10. Published 2024-04-12.
How severe is CVE-2024-30391?: Medium severity. CVSS v3 base score is 4.8 out of 10.
Is CVE-2024-30391 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.