Improper restriction of excessive authentication attempts in Junos OS Evolved



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2024-30390
CWE-ID CWE-307
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Junos OS Evolved
Operating systems & Components / Operating system

Vendor Juniper Networks, Inc.

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Improper restriction of excessive authentication attempts

EUVDB-ID: #VU88451

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-30390

CWE-ID: CWE-307 - Improper Restriction of Excessive Authentication Attempts

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

The vulnerability exists due to improper restriction of excessive authentication attempts error. A remote non-authenticated attacker can cause a limited Denial of Service (DoS) to the management plane.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Junos OS Evolved: 20.4R1-EVO - 22.4R1-S1-EVO

CPE2.3 External links

https://supportportal.juniper.net/s/article/2024-04-Security-Bulletin-Junos-OS-Evolved-Connection-limits-is-not-being-enforced-while-the-resp-rate-limit-is-being-enforced-CVE-2024-30390


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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