CVE-2011-4718 (GCVE-0-2011-4718)
Vulnerability from cvelistv5 – Published: 2013-08-13 01:00 – Updated: 2024-09-16 18:44
VLAI
EPSS
VEX
Summary
Session fixation vulnerability in the Sessions subsystem in PHP before 5.5.2 allows remote attackers to hijack web sessions by specifying a session ID.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
4 references
| URL | Tags |
|---|---|
| http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=… | x_refsource_CONFIRM |
| https://wiki.php.net/rfc/strict_sessions | x_refsource_MISC |
| https://bugs.php.net/bug.php?id=60491 | x_refsource_MISC |
| http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=… | x_refsource_CONFIRM |
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"value": "Session fixation vulnerability in the Sessions subsystem in PHP before 5.5.2 allows remote attackers to hijack web sessions by specifying a session ID."
},
{
"lang": "es",
"value": "Vulnerabilidad de fijaci\u00f3n de sesi\u00f3n en el subsistema Sessions en PHP anterior a v5.5.2 permite a atacantes remotos secuestrar sesiones web especificando un ID de sesi\u00f3n."
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"baseScore": 6.8,
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"integrityImpact": "PARTIAL",
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"version": "2.0"
},
"exploitabilityScore": 8.6,
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"source": "nvd@nist.gov",
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],
"negate": false,
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]
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],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Session fixation vulnerability in the Sessions subsystem in PHP before 5.5.2 allows remote attackers to hijack web sessions by specifying a session ID."
},
{
"lang": "es",
"value": "Vulnerabilidad de fijaci\u00f3n de sesi\u00f3n en el subsistema Sessions en PHP anterior a v5.5.2 permite a atacantes remotos secuestrar sesiones web especificando un ID de sesi\u00f3n."
}
],
"id": "CVE-2011-4718",
"lastModified": "2026-04-29T01:13:23.040",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 6.8,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": true
}
]
},
"published": "2013-08-13T15:04:18.497",
"references": [
{
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"url": "http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=169b78eb79b0e080b67f9798708eb3771c6d0b2f"
},
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},
{
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"weaknesses": [
{
"description": [
{
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"value": "CWE-264"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
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},
"redhat_vex": {
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"current_release_date": "2025-11-21T12:39:55+00:00",
"cve": "CVE-2011-4718",
"id": "CVE-2011-4718",
"initial_release_date": "2011-11-23T00:00:00+00:00",
"product_status:known_affected": "82",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "php: session fixation vulnerability allows remote hijacking of sessions",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2011/cve-2011-4718.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-09-02T12:59:02Z",
"cve": "CVE-2011-4718",
"id": "CVE-2011-4718",
"initial_release_date": "2023-02-15T05:49:43Z",
"product_status:known_affected": "2532",
"product_status:recommended": "325",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2011-4718",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2011-4718.json",
"version": "13"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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