CVE-2025-52981
7.5 · HIGHOverview
CVE-2025-52981 is a high-severity vulnerability affecting juniper junos. It was published on July 11, 2025 and has a CVSS 3.1 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
An Improper Check for Unusual or Exceptional Conditions vulnerability in the flow processing daemon (flowd) of Juniper Networks Junos OS on
SRX1600, SRX2300, SRX 4000 Series, and SRX5000 Series with SPC3
allows an unauthenticated, network-based attacker to cause a Denial-of-Service (DoS).
If a sequence of specific PIM packets is received, this will cause a flowd crash and restart.
This issue affects Junos OS:
* all versions before 21.2R3-S9,
* 21.4 versions before 21.4R3-S11,
* 22.2 versions before 22.2R3-S7,
* 22.4 versions before 22.4R3-S6,
* 23.2 versions before 23.2R2-S4,
* 23.4 versions before 23.4R2-S4,
* 24.2 versions before 24.2R2.
This is a similar, but different vulnerability than the issue reported as
CVE-2024-47503, published in JSA88133.
Remediation
Check the references section for vendor advisories and patches from juniper. Update junos to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| juniper | junos | >= 0, < 21.2 | Affected |
References
Frequently Asked Questions
What is CVE-2025-52981?
CVE-2025-52981 is a high-severity vulnerability affecting juniper junos. It was published on July 11, 2025 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2025-52981?
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2025-52981?
Check the references section for vendor advisories and patches from juniper. Update junos to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2025-52981?
CyberStrike's AI-powered security agents can automatically detect CVE-2025-52981 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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