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CVE-2024-39552

HIGH
Published 2024-07-11T16:30:36.672Z
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CVSS Score

V3.1
7.5
/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.006
probability
of exploitation in the wild

There is a 0.6% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.670
Higher than 67.0% of all CVEs

Attack Vector Metrics

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

Impact Metrics

Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Description

An Improper Handling of Exceptional Conditions vulnerability in the routing protocol daemon (RPD) of Juniper Networks Junos OS and Junos OS Evolved allows a network based, unauthenticated attacker to cause the RPD process to crash leading to a Denial of Service (DoS).

When a malformed BGP UPDATE packet is received over an established BGP session, RPD crashes and restarts.

Continuous receipt of the malformed BGP UPDATE messages will create a sustained Denial of Service (DoS) condition for impacted devices.

This issue affects eBGP and iBGP, in both IPv4 and IPv6 implementations. This issue requires a remote attacker to have at least one established BGP session.

This issue affects:

Juniper Networks Junos OS:
* All versions earlier than 20.4R3-S9;
* 21.2 versions earlier than 21.2R3-S7;
* 21.3 versions earlier than 21.3R3-S5;
* 21.4 versions earlier than 21.4R3-S6;
* 22.1 versions earlier than 22.1R3-S4;
* 22.2 versions earlier than 22.2R3-S3;
* 22.3 versions earlier than 22.3R3-S2;
* 22.4 versions earlier than 22.4R3;
* 23.2 versions earlier than 23.2R2.

Juniper Networks Junos OS Evolved:
* All versions earlier than 21.2R3-S7;
* 21.3-EVO versions earlier than 21.3R3-S5;
* 21.4-EVO versions earlier than 21.4R3-S8;
* 22.1-EVO versions earlier than 22.1R3-S4;
* 22.2-EVO versions earlier than 22.2R3-S3;
* 22.3-EVO versions earlier than 22.3R3-S2;
* 22.4-EVO versions earlier than 22.4R3;
* 23.2-EVO versions earlier than 23.2R2.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Juniper Networks

Junos OS

Affected Versions:

0 21.2 21.3 21.4 22.1 22.2 22.3 22.4 23.2
Juniper Networks

Junos OS Evolved

Affected Versions:

0 21.3-EVO 21.4-EVO 22.1-EVO 22.2-EVO 22.3-EVO 22.4-EVO 23.2-EVO 23.4-EVO
juniper

junos

Affected Versions:

21.2 21.3 21.4 22.2 22.3 22.4 23.2
juniper

junos

Affected Versions:

0
juniper

junos

Affected Versions:

22.1
juniper

junos_os_evolved

Affected Versions:

21.3 21.4 22.1 22.2 22.3 22.4 23.2 23.4
juniper

junos_os_evolved

Affected Versions:

0

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-3fgw-53wh-c98c

Advisory Details

An Improper Handling of Exceptional Conditions vulnerability in the routing protocol daemon (RPD) of Juniper Networks Junos OS and Junos OS Evolved allows a network based, unauthenticated attacker to cause the RPD process to crash leading to a Denial of Service (DoS). When a malformed BGP UPDATE packet is received over an established BGP session, RPD crashes and restarts. Continuous receipt of the malformed BGP UPDATE messages will create a sustained Denial of Service (DoS) condition for impacted devices. This issue affects eBGP and iBGP, in both IPv4 and IPv6 implementations. This issue requires a remote attacker to have at least one established BGP session. This issue affects: Juniper Networks Junos OS: * All versions earlier than 20.4R3-S9; * 21.2 versions earlier than 21.2R3-S7; * 21.3 versions earlier than 21.3R3-S5; * 21.4 versions earlier than 21.4R3-S6; * 22.1 versions earlier than 22.1R3-S4; * 22.2 versions earlier than 22.2R3-S3; * 22.3 versions earlier than 22.3R3-S2; * 22.4 versions earlier than 22.4R3; * 23.2 versions earlier than 23.2R2. Juniper Networks Junos OS Evolved: * All versions earlier than 21.2R3-S7; * 21.3-EVO versions earlier than 21.3R3-S5; * 21.4-EVO versions earlier than 21.4R3-S8; * 22.1-EVO versions earlier than 22.1R3-S4; * 22.2-EVO versions earlier than 22.2R3-S3; * 22.3-EVO versions earlier than 22.3R3-S2; * 22.4-EVO versions earlier than 22.4R3; * 23.2-EVO versions earlier than 23.2R2.

CVSS Scoring

CVSS Score

7.5

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2024-39552
WEB https://supportportal.juniper.net/JSA75726
WEB https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

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

References

https://supportportal.juniper.net/JSA75726
Published: 2024-07-11T16:30:36.672Z
Last Modified: 2024-08-02T04:26:15.942Z
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