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TI-2024-20124 Aliases CVE-2024-30390GHSA-6w72-x59c-h2c9

Junos OS Evolved: Connection limits is not being enforced while the resp. rate limit is being enforced

Priority LOW 31CWE-307Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
None · None · Low
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-307.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0051 43rd percentileScored 2026-11-07
Fix Fixed Junos OS Evolved (Juniper Networks): 21.4R3-S4-EVO, 22.1R3-S3-EVO, 22.2R3-S2-EVO +2

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
JuniperJunos OS Evolvedbefore 21.4R3-S4-EVO; 22.1-EVO to before 22.1R3-S3-EVO; 22.2-EVO to before 22.2R3-S2-EVO; 22.3-EVO to before 22.3R2-S1-EVO, 22.3R3-EVO21.4R3-S4-EVO, 22.1R3-S3-EVO, 22.2R3-S2-EVO, 22.3R2-S1-EVO, 22.3R3-EVOPatch availableCNA
  • Junos OS Evolved VendorJuniper Affected before 21.4R3-S4-EVO; 22.1-EVO to before 22.1R3-S3-EVO; 22.2-EVO to before 22.2R3-S2-EVO; 22.3-EVO to before 22.3R2-S1-EVO, 22.3R3-EVO Fixed in 21.4R3-S4-EVO, 22.1R3-S3-EVO, 22.2R3-S2-EVO, 22.3R2-S1-EVO, 22.3R3-EVO Patch available CNA

CPE configurations NVD · 35

CPEVersionsRoleVendor
cpe:2.3:o:juniper:junos_os_evolved:*:*:*:*:*:*:*:*before 21.4VulnerableJuniper
cpe:2.3:o:juniper:junos_os_evolved:21.4:-:*:*:*:*:*:*21.4VulnerableJuniper
cpe:2.3:o:juniper:junos_os_evolved:21.4:r1:*:*:*:*:*:*21.4 r1VulnerableJuniper
cpe:2.3:o:juniper:junos_os_evolved:21.4:r1-s1:*:*:*:*:*:*21.4 r1-s1VulnerableJuniper
cpe:2.3:o:juniper:junos_os_evolved:21.4:r1-s2:*:*:*:*:*:*21.4 r1-s2VulnerableJuniper
cpe:2.3:o:juniper:junos_os_evolved:21.4:r2:*:*:*:*:*:*21.4 r2VulnerableJuniper
cpe:2.3:o:juniper:junos_os_evolved:21.4:r2-s1:*:*:*:*:*:*21.4 r2-s1VulnerableJuniper
cpe:2.3:o:juniper:junos_os_evolved:21.4:r2-s2:*:*:*:*:*:*21.4 r2-s2VulnerableJuniper
cpe:2.3:o:juniper:junos_os_evolved:21.4:r3:*:*:*:*:*:*21.4 r3VulnerableJuniper
cpe:2.3:o:juniper:junos_os_evolved:21.4:r3-s1:*:*:*:*:*:*21.4 r3-s1VulnerableJuniper
  • cpe:2.3:o:juniper:junos_os_evolved:*:*:*:*:*:*:*:* Versions before 21.4 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos_os_evolved:21.4:-:*:*:*:*:*:* Versions 21.4 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos_os_evolved:21.4:r1:*:*:*:*:*:* Versions 21.4 r1 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos_os_evolved:21.4:r1-s1:*:*:*:*:*:* Versions 21.4 r1-s1 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos_os_evolved:21.4:r1-s2:*:*:*:*:*:* Versions 21.4 r1-s2 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos_os_evolved:21.4:r2:*:*:*:*:*:* Versions 21.4 r2 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos_os_evolved:21.4:r2-s1:*:*:*:*:*:* Versions 21.4 r2-s1 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos_os_evolved:21.4:r2-s2:*:*:*:*:*:* Versions 21.4 r2-s2 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos_os_evolved:21.4:r3:*:*:*:*:*:* Versions 21.4 r3 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos_os_evolved:21.4:r3-s1:*:*:*:*:*:* Versions 21.4 r3-s1 Vulnerable ·Juniper
Show 25 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:juniper:junos_os_evolved:21.4:r3-s2:*:*:*:*:*:*21.4 r3-s2VulnerableJuniper
cpe:2.3:o:juniper:junos_os_evolved:21.4:r3-s3:*:*:*:*:*:*21.4 r3-s3VulnerableJuniper
cpe:2.3:o:juniper:junos_os_evolved:22.1:-:*:*:*:*:*:*22.1VulnerableJuniper
cpe:2.3:o:juniper:junos_os_evolved:22.1:r1:*:*:*:*:*:*22.1 r1VulnerableJuniper
cpe:2.3:o:juniper:junos_os_evolved:22.1:r1-s1:*:*:*:*:*:*22.1 r1-s1VulnerableJuniper
cpe:2.3:o:juniper:junos_os_evolved:22.1:r1-s2:*:*:*:*:*:*22.1 r1-s2VulnerableJuniper
cpe:2.3:o:juniper:junos_os_evolved:22.1:r2:*:*:*:*:*:*22.1 r2VulnerableJuniper
cpe:2.3:o:juniper:junos_os_evolved:22.1:r2-s1:*:*:*:*:*:*22.1 r2-s1VulnerableJuniper
cpe:2.3:o:juniper:junos_os_evolved:22.1:r3:*:*:*:*:*:*22.1 r3VulnerableJuniper
cpe:2.3:o:juniper:junos_os_evolved:22.1:r3-s1:*:*:*:*:*:*22.1 r3-s1VulnerableJuniper
cpe:2.3:o:juniper:junos_os_evolved:22.1:r3-s2:*:*:*:*:*:*22.1 r3-s2VulnerableJuniper
cpe:2.3:o:juniper:junos_os_evolved:22.2:-:*:*:*:*:*:*22.2VulnerableJuniper
cpe:2.3:o:juniper:junos_os_evolved:22.2:r1:*:*:*:*:*:*22.2 r1VulnerableJuniper
cpe:2.3:o:juniper:junos_os_evolved:22.2:r1-s1:*:*:*:*:*:*22.2 r1-s1VulnerableJuniper
cpe:2.3:o:juniper:junos_os_evolved:22.2:r1-s2:*:*:*:*:*:*22.2 r1-s2VulnerableJuniper
cpe:2.3:o:juniper:junos_os_evolved:22.2:r2:*:*:*:*:*:*22.2 r2VulnerableJuniper
cpe:2.3:o:juniper:junos_os_evolved:22.2:r2-s1:*:*:*:*:*:*22.2 r2-s1VulnerableJuniper
cpe:2.3:o:juniper:junos_os_evolved:22.2:r2-s2:*:*:*:*:*:*22.2 r2-s2VulnerableJuniper
cpe:2.3:o:juniper:junos_os_evolved:22.2:r3:*:*:*:*:*:*22.2 r3VulnerableJuniper
cpe:2.3:o:juniper:junos_os_evolved:22.2:r3-s1:*:*:*:*:*:*22.2 r3-s1VulnerableJuniper
cpe:2.3:o:juniper:junos_os_evolved:22.3:-:*:*:*:*:*:*22.3VulnerableJuniper
cpe:2.3:o:juniper:junos_os_evolved:22.3:r1:*:*:*:*:*:*22.3 r1VulnerableJuniper
cpe:2.3:o:juniper:junos_os_evolved:22.3:r1-s1:*:*:*:*:*:*22.3 r1-s1VulnerableJuniper
cpe:2.3:o:juniper:junos_os_evolved:22.3:r1-s2:*:*:*:*:*:*22.3 r1-s2VulnerableJuniper
cpe:2.3:o:juniper:junos_os_evolved:22.3:r2:*:*:*:*:*:*22.3 r2VulnerableJuniper
  • cpe:2.3:o:juniper:junos_os_evolved:21.4:r3-s2:*:*:*:*:*:* Versions 21.4 r3-s2 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos_os_evolved:21.4:r3-s3:*:*:*:*:*:* Versions 21.4 r3-s3 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos_os_evolved:22.1:-:*:*:*:*:*:* Versions 22.1 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos_os_evolved:22.1:r1:*:*:*:*:*:* Versions 22.1 r1 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos_os_evolved:22.1:r1-s1:*:*:*:*:*:* Versions 22.1 r1-s1 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos_os_evolved:22.1:r1-s2:*:*:*:*:*:* Versions 22.1 r1-s2 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos_os_evolved:22.1:r2:*:*:*:*:*:* Versions 22.1 r2 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos_os_evolved:22.1:r2-s1:*:*:*:*:*:* Versions 22.1 r2-s1 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos_os_evolved:22.1:r3:*:*:*:*:*:* Versions 22.1 r3 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos_os_evolved:22.1:r3-s1:*:*:*:*:*:* Versions 22.1 r3-s1 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos_os_evolved:22.1:r3-s2:*:*:*:*:*:* Versions 22.1 r3-s2 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos_os_evolved:22.2:-:*:*:*:*:*:* Versions 22.2 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos_os_evolved:22.2:r1:*:*:*:*:*:* Versions 22.2 r1 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos_os_evolved:22.2:r1-s1:*:*:*:*:*:* Versions 22.2 r1-s1 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos_os_evolved:22.2:r1-s2:*:*:*:*:*:* Versions 22.2 r1-s2 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos_os_evolved:22.2:r2:*:*:*:*:*:* Versions 22.2 r2 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos_os_evolved:22.2:r2-s1:*:*:*:*:*:* Versions 22.2 r2-s1 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos_os_evolved:22.2:r2-s2:*:*:*:*:*:* Versions 22.2 r2-s2 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos_os_evolved:22.2:r3:*:*:*:*:*:* Versions 22.2 r3 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos_os_evolved:22.2:r3-s1:*:*:*:*:*:* Versions 22.2 r3-s1 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos_os_evolved:22.3:-:*:*:*:*:*:* Versions 22.3 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos_os_evolved:22.3:r1:*:*:*:*:*:* Versions 22.3 r1 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos_os_evolved:22.3:r1-s1:*:*:*:*:*:* Versions 22.3 r1-s1 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos_os_evolved:22.3:r1-s2:*:*:*:*:*:* Versions 22.3 r1-s2 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos_os_evolved:22.3:r2:*:*:*:*:*:* Versions 22.3 r2 Vulnerable ·Juniper

Remediation

  • Fix · CNA Junos OS Evolved (Juniper Networks) Fixed in 21.4R3-S4-EVO, 22.1R3-S3-EVO, 22.2R3-S2-EVO, 22.3R2-S1-EVO, 22.3R3-EVO

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-30390
  2. 2026-10-03 Alias added: GHSA-6w72-x59c-h2c9

References

Advisory 1

Other 1

  • TI-2026-17602 Junos OS Evolved: PTX Series: A vulnerability allows a unauthenticated, network-based attacker to execute code as root CVSS 4.0CRITICAL 9.3
  • TI-2026-17601 Junos OS and Junos OS Evolved: Configuration of a specific SSH option results in mgd crash CVSS 4.0MEDIUM 6.7
  • TI-2023-04136 Improper input validation in Juniper Junos OS CVSS 3.1HIGH 7.5
  • TI-2026-74215 Stack-based buffer overflow in Junos OS rpd triggered by BGP peers CVSS 4.0CRITICAL 9.3
  • TI-2026-74211 Authentication bypass in Juniper J-Web allows pre-auth CGI execution CVSS 4.0CRITICAL 9.3
  • TI-2021-00146 Junos OS and Junos OS Evolved: Upon receipt of a specific BGP FlowSpec message network traffic may be disrupted. CVSS 3.1CRITICAL 10.0
See all 249 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences