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CVE-2024-47489

MEDIUM
Published 2024-10-11T15:22:00.413Z
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CVSS Score

V3.1
5.8
/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.001
probability
of exploitation in the wild

There is a 0.1% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.314
Higher than 31.4% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED

Impact Metrics

Confidentiality
NONE
Integrity
NONE
Availability
LOW

Description

An Improper Handling of Exceptional Conditions vulnerability in the Packet Forwarding Engine (pfe) of the Juniper Networks Junos OS Evolved on ACX Series devices allows an unauthenticated, network based attacker sending specific transit protocol traffic to cause a partial Denial of Service (DoS) to downstream devices.

Receipt of specific transit protocol packets is incorrectly processed by the Routing Engine (RE), filling up the DDoS protection queue which is shared between routing protocols. This influx of transit protocol packets causes DDoS protection violations, resulting in protocol flaps which can affect connectivity to networking devices.

This issue affects both IPv4 and IPv6. This issue does not require any specific routing protocol to be configured or enabled.

The following commands can be used to monitor the DDoS protection queue:

       labuser@re0> show evo-pfemand host pkt-stats

    labuser@re0> show host-path ddos all-policers

This issue affects Junos OS Evolved: 

* All versions before 21.4R3-S8-EVO, 
* from 22.2 before 22.2R3-S4-EVO, 
* from 22.3 before 22.3R3-S4-EVO, 
* from 22.4 before 22.4R3-S3-EVO, 
* from 23.2 before 23.2R2-EVO, 
* from 23.4 before 23.4R1-S1-EVO, 23.4R2-EVO, 
* from 24.2 before 24.2R2-EVO.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Juniper Networks

Junos OS Evolved

Affected Versions:

0 22.2 22.3 22.4 23.2 23.4 24.2
juniper

junos_evolved

Affected Versions:

0 22.2 22.3 22.4 23.2 23.4 23.4

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed MODERATE

GHSA-3x4w-v43m-f5m7

Advisory Details

An Improper Handling of Exceptional Conditions vulnerability in the Packet Forwarding Engine (pfe) of the Juniper Networks Junos OS Evolved on ACX Series devices allows an unauthenticated, network based attacker sending specific transit protocol traffic to cause a partial Denial of Service (DoS) to downstream devices. Receipt of specific transit protocol packets is incorrectly processed by the Routing Engine (RE), filling up the DDoS protection queue which is shared between routing protocols. This influx of transit protocol packets causes DDoS protection violations, resulting in protocol flaps which can affect connectivity to networking devices. This issue affects both IPv4 and IPv6. This issue does not require any specific routing protocol to be configured or enabled. The following commands can be used to monitor the DDoS protection queue:        labuser@re0> show evo-pfemand host pkt-stats     labuser@re0> show host-path ddos all-policers This issue affects Junos OS Evolved:  * All versions before 21.4R3-S8-EVO,  * from 22.2 before 22.2R3-S4-EVO,  * from 22.3 before 22.3R3-S4-EVO,  * from 22.4 before 22.4R3-S3-EVO,  * from 23.2 before 23.2R2-EVO,  * from 23.4 before 23.4R1-S1-EVO, 23.4R2-EVO,  * from 24.2 before 24.2R2-EVO.

CVSS Scoring

CVSS Score

5.0

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2024-47489
WEB https://supportportal.juniper.net

Advisory provided by GitHub Security Advisory Database. Published: October 11, 2024, Modified: October 15, 2024

References

https://supportportal.juniper.net/
Published: 2024-10-11T15:22:00.413Z
Last Modified: 2024-10-11T18:00:33.801Z
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