CVE-2025-20359 (GCVE-0-2025-20359)
Vulnerability from cvelistv5
Published
2025-10-15 16:17
Modified
2025-10-15 17:43
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-127 - Buffer Under-read
Summary
Multiple Cisco products are affected by a vulnerability in the Snort 3 HTTP Decoder that could allow an unauthenticated, remote attacker to cause the disclosure of possible sensitive data or cause the Snort 3 Detection Engine to crash.
This vulnerability is due to an error in the logic of buffer handling when the MIME fields of the HTTP header are parsed. This can result in a buffer under-read. An attacker could exploit this vulnerability by sending crafted HTTP packets through an established connection that is parsed by Snort 3. A successful exploit could allow the attacker to induce one of two possible outcomes: the unexpected restarting of the Snort 3 Detection Engine, which could cause a denial of service (DoS) condition, or information disclosure of sensitive information in the Snort 3 data stream. Due to the under-read condition, it is possible that sensitive information that is not valid connection data could be returned.
References
Impacted products
Vendor | Product | Version | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Cisco | Cisco Cyber Vision |
Version: 3.0.0 Version: 3.0.2 Version: 3.0.3 Version: 3.0.1 Version: 3.1.0 Version: 3.0.4 Version: 3.1.1 Version: 3.1.2 Version: 3.2.0 Version: 3.0.5 Version: 3.2.1 Version: 3.0.6 Version: 3.2.2 Version: 3.2.3 Version: 3.2.4 Version: 4.0.0 Version: 4.0.1 Version: 4.0.2 Version: 4.0.3 Version: 4.1.0 Version: 4.1.1 Version: 4.1.2 Version: 4.1.3 Version: 4.1.4 Version: 4.2.0 Version: 4.2.1 Version: 4.1.5 Version: 4.2.2 Version: 4.2.X Version: 4.2.3 Version: 4.2.4 Version: 4.2.6 Version: 4.1.6 Version: 4.3.0 Version: 4.3.1 Version: 4.3.2 Version: 4.3.3 Version: 4.4.0 Version: 4.4.1 Version: 4.4.2 Version: 4.4.3 Version: 4.1.7 Version: 5.0.0 Version: 5.0.1 Version: 5.0.2 Version: 5.1.0 Version: 5.1.1 Version: 5.1.2 Version: 5.1.3 Version: 5.2.0 Version: 5.2.1 |
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due to an error in the logic of buffer handling when the MIME fields of the HTTP header are parsed. This can result in a buffer under-read. An attacker could exploit this vulnerability by sending crafted HTTP packets through an established connection that is parsed by Snort 3. A successful exploit could allow the attacker to induce one of two possible outcomes: the unexpected restarting of the Snort 3 Detection Engine, which could cause a denial of service (DoS) condition, or information disclosure of sensitive information in the Snort 3 data stream. Due to the under-read condition, it is possible that sensitive information that is not valid connection data could be returned.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"cwe\", \"cweId\": \"CWE-127\", \"description\": \"Buffer Under-read\"}]}], \"providerMetadata\": {\"orgId\": \"d1c1063e-7a18-46af-9102-31f8928bc633\", \"shortName\": \"cisco\", \"dateUpdated\": \"2025-10-15T16:17:31.374Z\"}}}", "cveMetadata": "{\"cveId\": \"CVE-2025-20359\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-10-15T17:43:38.689Z\", \"dateReserved\": \"2024-10-10T19:15:13.258Z\", \"assignerOrgId\": \"d1c1063e-7a18-46af-9102-31f8928bc633\", \"datePublished\": \"2025-10-15T16:17:31.374Z\", \"assignerShortName\": \"cisco\"}", "dataType": "CVE_RECORD", "dataVersion": "5.1" } } }
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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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