CVE-2025-52981
Severity CVSS v4.0:
HIGH
Type:
Unavailable / Other
Publication date:
11/07/2025
Last modified:
15/07/2025
Description
An Improper Check for Unusual or Exceptional Conditions vulnerability in the flow processing daemon (flowd) of Juniper Networks Junos OS on <br />
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SRX1600, SRX2300, SRX 4000 Series, and SRX5000 Series with SPC3<br />
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allows an unauthenticated, network-based attacker to cause a Denial-of-Service (DoS).<br />
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If a sequence of specific PIM packets is received, this will cause a flowd crash and restart.<br />
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This issue affects Junos OS:<br />
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* all versions before 21.2R3-S9,<br />
* 21.4 versions before 21.4R3-S11,<br />
* 22.2 versions before 22.2R3-S7,<br />
* 22.4 versions before 22.4R3-S6,<br />
* 23.2 versions before 23.2R2-S4,<br />
* 23.4 versions before 23.4R2-S4,<br />
* 24.2 versions before 24.2R2.<br />
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This is a similar, but different vulnerability than the issue reported as<br />
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CVE-2024-47503, published in JSA88133.
Impact
Base Score 4.0
8.70
Severity 4.0
HIGH
Base Score 3.x
7.50
Severity 3.x
HIGH