CVE-2024-30390

MEDIUM
Published Apr 12, 2024 Modified Feb 6, 2025 CWE-307

Description

An Improper Restriction of Excessive Authentication Attempts vulnerability in Juniper Networks Junos OS Evolved allows an unauthenticated, network-based attacker to cause a limited Denial of Service (DoS) to the management plane. When an incoming connection was blocked because it exceeded the connections-per-second rate-limit, the system doesn't consider existing connections anymore for subsequent connection attempts so that the connection limit can be exceeded. This issue affects Junos OS Evolved: * All versions before 21.4R3-S4-EVO, * 22.1-EVO versions before 22.1R3-S3-EVO, * 22.2-EVO versions before 22.2R3-S2-EVO,  * 22.3-EVO versions before 22.3R2-S1-EVO, 22.3R3-EVO.

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CVSS v3.1 Score

5.3
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Weakness Type (CWE)

CWE-307 CWE-307

Affected Products

Vendor Product
juniper junos_os_evolved
juniper junos_os_evolved
juniper junos_os_evolved
juniper junos_os_evolved
juniper junos_os_evolved
juniper junos_os_evolved
juniper junos_os_evolved
juniper junos_os_evolved
juniper junos_os_evolved
juniper junos_os_evolved
juniper junos_os_evolved
juniper junos_os_evolved
juniper junos_os_evolved
juniper junos_os_evolved
juniper junos_os_evolved
juniper junos_os_evolved
juniper junos_os_evolved
juniper junos_os_evolved
juniper junos_os_evolved
juniper junos_os_evolved
juniper junos_os_evolved
juniper junos_os_evolved
juniper junos_os_evolved
juniper junos_os_evolved
juniper junos_os_evolved
juniper junos_os_evolved
juniper junos_os_evolved
juniper junos_os_evolved
juniper junos_os_evolved
juniper junos_os_evolved
juniper junos_os_evolved
juniper junos_os_evolved
juniper junos_os_evolved
juniper junos_os_evolved
juniper junos_os_evolved

References

Frequently Asked Questions

What is CVE-2024-30390? +
An Improper Restriction of Excessive Authentication Attempts vulnerability in Juniper Networks Junos OS Evolved allows an unauthenticated, network-based attacker to cause a limited Denial of Service (DoS) to the management plane. When an incoming connection was blocked because it exceeded the connections-per-second rate-limit, the system doesn't consider existing connections anymore for subsequent connection attempts so that the connection limit can be exceeded. This issue affects Junos OS Evolved: * All versions before 21.4R3-S4-EVO, * 22.1-EVO versions before 22.1R3-S3-EVO, * 22.2-EVO versions before 22.2R3-S2-EVO,  * 22.3-EVO versions before 22.3R2-S1-EVO, 22.3R3-EVO. It has a CVSS v3.1 base score of 5.3 (MEDIUM).
How severe is CVE-2024-30390? +
CVE-2024-30390 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.
What products are affected by CVE-2024-30390? +
CVE-2024-30390 affects products from juniper, specifically: junos_os_evolved. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2024-30390? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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