CVE-2025-52981 (GCVE-0-2025-52981)

Vulnerability from cvelistv5 – Published: 2025-07-11 15:08 – Updated: 2025-07-15 19:55
VLAI
Title
Junos OS: SRX Series: Sequence of specific PIM packets causes a flowd crash
Summary
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.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/RE:M
CWE
  • CWE-754 - Improper Check for Unusual or Exceptional Conditions
Assigner
References
Impacted products
Vendor Product Version
Juniper Networks Junos OS Affected: 0 , < 21.2R3-S9 (semver)
Affected: 21.4 , < 21.4R3-S11 (semver)
Affected: 22.2 , < 22.2R3-S7 (semver)
Affected: 22.4 , < 22.4R3-S6 (semver)
Affected: 23.2 , < 23.2R2-S4 (semver)
Affected: 23.4 , < 23.4R2-S4 (semver)
Affected: 24.2 , < 24.2R2 (semver)
Create a notification for this product.
Date Public
2025-07-09 16:00
Show details on NVD website
To clipboard 

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[\"vendor-advisory\"]}], \"workarounds\": [{\"lang\": \"en\", \"value\": \"Minimize the PIM (Protocol Independent Multicast) session timeout value to be less than 5 seconds to avoid data session creation errors.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"Minimize the PIM (Protocol Independent Multicast) session timeout value to be less than 5 seconds to avoid data session creation errors.\", \"base64\": false}]}], \"x_generator\": {\"engine\": \"Vulnogram 0.1.0-dev\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"An Improper Check for Unusual or Exceptional Conditions vulnerability in the flow processing daemon (flowd) of Juniper Networks Junos OS on \\n\\n\\n\\n\\n\\n\\n\\n\\nSRX1600, SRX2300, SRX 4000 Series, and SRX5000 Series with SPC3\\n\\n\\n\\nallows an unauthenticated, network-based attacker to cause a Denial-of-Service (DoS).\\n\\nIf a sequence of specific PIM packets is received, this will cause a flowd crash and restart.\\n\\n\\nThis issue affects Junos OS:\\n\\n\\n\\n  *  all versions before 21.2R3-S9,\\n  *  21.4 versions before 21.4R3-S11,\\n  *  22.2 versions before 22.2R3-S7,\\n  *  22.4 versions before 22.4R3-S6,\\n  *  23.2 versions before 23.2R2-S4,\\n  *  23.4 versions before 23.4R2-S4,\\n  *  24.2 versions before 24.2R2.\\n\\n\\n\\n\\n\\n\\n\\nThis is a similar, but different vulnerability than the issue reported as\\n\\nCVE-2024-47503, published in JSA88133.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003cspan style=\\\"background-color: rgb(251, 251, 251);\\\"\u003eAn Improper Check for Unusual or Exceptional Conditions vulnerability in the flow processing daemon (flowd) of Juniper Networks Junos OS on \\n\\n\\n\\n\\n\\n\\n\\n\\nSRX1600, SRX2300, SRX 4000 Series, and SRX5000 Series with SPC3\\n\\n\\n\\nallows an unauthenticated, network-based attacker to cause a Denial-of-Service (DoS).\u003c/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\\\"background-color: rgb(251, 251, 251);\\\"\u003eIf a sequence of specific PIM packets is received, this will cause a flowd crash and restart.\u003c/span\u003e\\n\\n\u003cbr\u003e\u003cp\u003eThis issue affects Junos OS:\u003c/p\u003e\u003cp\u003e\u003c/p\u003e\u003cul\u003e\u003cli\u003eall versions before 21.2R3-S9,\u003c/li\u003e\u003cli\u003e21.4 versions before 21.4R3-S11,\u003c/li\u003e\u003cli\u003e22.2 versions before 22.2R3-S7,\u003c/li\u003e\u003cli\u003e22.4 versions before 22.4R3-S6,\u003c/li\u003e\u003cli\u003e23.2 versions before 23.2R2-S4,\u003c/li\u003e\u003cli\u003e23.4 versions before 23.4R2-S4,\u003c/li\u003e\u003cli\u003e24.2 versions before 24.2R2.\u003c/li\u003e\u003c/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c/p\u003e\\n\\n\u003cspan style=\\\"background-color: rgb(255, 255, 255);\\\"\u003eThis is a similar, but different vulnerability than the issue reported as\u003c/span\u003e\\n\\nCVE-2024-47503, published in JSA88133.\u003cbr\u003e\u003cp\u003e\u003c/p\u003e\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-754\", \"description\": \"CWE-754 Improper Check for Unusual or Exceptional Conditions\"}]}], \"providerMetadata\": {\"orgId\": \"8cbe9d5a-a066-4c94-8978-4b15efeae968\", \"shortName\": \"juniper\", \"dateUpdated\": \"2025-07-11T15:08:33.384Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2025-52981\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-07-15T19:55:40.480Z\", \"dateReserved\": \"2025-06-23T18:23:44.545Z\", \"assignerOrgId\": \"8cbe9d5a-a066-4c94-8978-4b15efeae968\", \"datePublished\": \"2025-07-11T15:08:33.384Z\", \"assignerShortName\": \"juniper\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Taxonomy of the tags.




Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.