// For flags

CVE-2024-39528

Junos OS and Junos OS Evolved: Concurrent deletion of a routing-instance and receipt of an SNMP request cause an RPD crash

Severity Score

6.0
*CVSS v4

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track
*SSVC
Descriptions

A Use After Free vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an authenticated, network-based attacker to cause a Denial of Service (DoS).On all Junos OS and Junos Evolved platforms, if a routing-instance deactivation is triggered, and at the same time a specific SNMP request is received, a segmentation fault occurs which causes rpd to crash and restart.




This issue affects:

   Junos OS:



* All versions before 21.2R3-S8, 
* 21.4 versions before 21.4R3-S5,
* 22.2 versions before 22.2R3-S3,
* 22.3 versions before 22.3R3-S2,
* 22.4 versions before 22.4R3,
* 23.2 versions before 23.2R2.




  Junos OS Evolved:



* All versions before 21.2R3-S8-EVO,
* 21.4-EVO versions before 21.4R3-S5-EVO,
* 22.2-EVO versions before 22.2R3-S3-EVO, 
* 22.3-EVO versions before 22.3R3-S2-EVO,
* 22.4-EVO versions before 22.4R3-EVO,
* 23.2-EVO versions before 23.2R2-EVO.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Attack Requirements
Present
Privileges Required
Low
User Interaction
None
System
Vulnerable | Subsequent
Confidentiality
None
None
Integrity
None
None
Availability
High
Low
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
* Common Vulnerability Scoring System
SSVC
  • Decision:Track
Exploitation
None
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2024-06-25 CVE Reserved
  • 2024-07-11 CVE Published
  • 2024-07-12 EPSS Updated
  • 2024-08-02 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-416: Use After Free
CAPEC
References (1)
URL Tag Source
URL Date SRC
URL Date SRC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Juniper Networks
Search vendor "Juniper Networks"
Junos OS
Search vendor "Juniper Networks" for product "Junos OS"
< 21.2R3-S8
Search vendor "Juniper Networks" for product "Junos OS" and version " < 21.2R3-S8"
en
Affected
Juniper Networks
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Junos OS
Search vendor "Juniper Networks" for product "Junos OS"
>= 21.4 < 21.4R3-S5
Search vendor "Juniper Networks" for product "Junos OS" and version " >= 21.4 < 21.4R3-S5"
en
Affected
Juniper Networks
Search vendor "Juniper Networks"
Junos OS
Search vendor "Juniper Networks" for product "Junos OS"
>= 22.2 < 22.2R3-S3
Search vendor "Juniper Networks" for product "Junos OS" and version " >= 22.2 < 22.2R3-S3"
en
Affected
Juniper Networks
Search vendor "Juniper Networks"
Junos OS
Search vendor "Juniper Networks" for product "Junos OS"
>= 22.3 < 22.3R3-S2
Search vendor "Juniper Networks" for product "Junos OS" and version " >= 22.3 < 22.3R3-S2"
en
Affected
Juniper Networks
Search vendor "Juniper Networks"
Junos OS
Search vendor "Juniper Networks" for product "Junos OS"
>= 22.4 < 22.4R3
Search vendor "Juniper Networks" for product "Junos OS" and version " >= 22.4 < 22.4R3"
en
Affected
Juniper Networks
Search vendor "Juniper Networks"
Junos OS
Search vendor "Juniper Networks" for product "Junos OS"
>= 23.2 < 23.2R2
Search vendor "Juniper Networks" for product "Junos OS" and version " >= 23.2 < 23.2R2"
en
Affected
Juniper Networks
Search vendor "Juniper Networks"
Junos OS Evolved
Search vendor "Juniper Networks" for product "Junos OS Evolved"
< 21.2R3-S8-EVO
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en
Affected
Juniper Networks
Search vendor "Juniper Networks"
Junos OS Evolved
Search vendor "Juniper Networks" for product "Junos OS Evolved"
>= 21.4-EVO < 21.4R3-S5-EVO
Search vendor "Juniper Networks" for product "Junos OS Evolved" and version " >= 21.4-EVO < 21.4R3-S5-EVO"
en
Affected
Juniper Networks
Search vendor "Juniper Networks"
Junos OS Evolved
Search vendor "Juniper Networks" for product "Junos OS Evolved"
>= 22.2-EVO < 22.2R3-S3-EVO
Search vendor "Juniper Networks" for product "Junos OS Evolved" and version " >= 22.2-EVO < 22.2R3-S3-EVO"
en
Affected
Juniper Networks
Search vendor "Juniper Networks"
Junos OS Evolved
Search vendor "Juniper Networks" for product "Junos OS Evolved"
>= 22.3-EVO < 22.3R3-S2-EVO
Search vendor "Juniper Networks" for product "Junos OS Evolved" and version " >= 22.3-EVO < 22.3R3-S2-EVO"
en
Affected
Juniper Networks
Search vendor "Juniper Networks"
Junos OS Evolved
Search vendor "Juniper Networks" for product "Junos OS Evolved"
>= 22.4-EVO < 22.4R3-EVO
Search vendor "Juniper Networks" for product "Junos OS Evolved" and version " >= 22.4-EVO < 22.4R3-EVO"
en
Affected
Juniper Networks
Search vendor "Juniper Networks"
Junos OS Evolved
Search vendor "Juniper Networks" for product "Junos OS Evolved"
>= 23.2-EVO < 23.2R2-EVO
Search vendor "Juniper Networks" for product "Junos OS Evolved" and version " >= 23.2-EVO < 23.2R2-EVO"
en
Affected