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CVE-2024-21601
CVE ID
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CVE-2024-21601
MITRE ATT&CK
Collection
Command and Control
Credential Access
Defense Evasion
Discovery
Execution
Exfiltration
Impact
Initial Access
Lateral Movement
Persistence
Privilege Escalation
Topic Tags
Description
A Concurrent Execution using Shared Resource with Improper Synchronization (‘Race Condition’) vulnerability in the Flow-processing Daemon (flowd) of Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service (Dos).
On SRX Series devices when two different threads try to simultaneously process a queue which is used for TCP events flowd will crash. One of these threads can not be triggered externally, so the exploitation of this race condition is outside the attackers direct control.
Continued exploitation of this issue will lead to a sustained DoS.
This issue affects Juniper Networks Junos OS:
- 21.2 versions earlier than 21.2R3-S5;
- 21.3 versions earlier than 21.3R3-S5;
- 21.4 versions earlier than 21.4R3-S4;
- 22.1 versions earlier than 22.1R3-S3;
- 22.2 versions earlier than 22.2R3-S1;
- 22.3 versions earlier than 22.3R2-S2, 22.3R3;
- 22.4 versions earlier than 22.4R2-S1, 22.4R3.
This issue does not affect Juniper Networks Junos OS versions earlier than 21.2R1.
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CVSS V3 Severity and Metrics
General Information
Vendors
- juniper
Products
- junos 21.2,
- junos 21.3,
- junos 21.4,
- junos 22.1,
- junos 22.2,
- junos 22.3,
- junos 22.4
References
Additional Info
Technical Analysis
Report as Exploited in the Wild
CVE ID
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