CVE-2023-52431 (GCVE-0-2023-52431)
Vulnerability from cvelistv5 – Published: 2024-02-13 00:00 – Updated: 2025-04-24 15:40
VLAI
EPSS
VEX
Summary
The Plack::Middleware::XSRFBlock package before 0.0.19 for Perl allows attackers to bypass a CSRF protection mechanism via an empty form value and an empty cookie (if signed cookies are disabled).
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-02-13 16:56 UTC
CWE
- n/a
- CWE-269 - Improper Privilege Management
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| plack_middleware | xsrf_block_package_for_perl |
Affected:
0 , < 0.0.19
(custom)
cpe:2.3:a:plack_middleware:xsrf_block_package_for_perl:*:*:*:*:*:*:*:* |
{
"containers": {
"adp": [
{
"affected": [
{
"cpes": [
"cpe:2.3:a:plack_middleware:xsrf_block_package_for_perl:*:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"product": "xsrf_block_package_for_perl",
"vendor": "plack_middleware",
"versions": [
{
"lessThan": "0.0.19",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2023-52431",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-02-13T16:56:01.892230Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-269",
"description": "CWE-269 Improper Privilege Management",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-04-24T15:40:18.584Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
},
{
"providerMetadata": {
"dateUpdated": "2024-08-02T22:55:41.859Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_transferred"
],
"url": "https://metacpan.org/release/DAKKAR/Plack-Middleware-XSRFBlock-0.0.19/source/Changes"
},
{
"tags": [
"x_transferred"
],
"url": "https://github.com/briandfoy/cpan-security-advisory/blob/9374f98bef51e1ae887f293234050551c079776f/cpansa/CPANSA-Plack-Middleware-XSRFBlock.yml#L2-L15"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "The Plack::Middleware::XSRFBlock package before 0.0.19 for Perl allows attackers to bypass a CSRF protection mechanism via an empty form value and an empty cookie (if signed cookies are disabled)."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "n/a",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-02-13T04:54:17.094Z",
"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"shortName": "mitre"
},
"references": [
{
"url": "https://metacpan.org/release/DAKKAR/Plack-Middleware-XSRFBlock-0.0.19/source/Changes"
},
{
"url": "https://github.com/briandfoy/cpan-security-advisory/blob/9374f98bef51e1ae887f293234050551c079776f/cpansa/CPANSA-Plack-Middleware-XSRFBlock.yml#L2-L15"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"cveId": "CVE-2023-52431",
"datePublished": "2024-02-13T00:00:00.000Z",
"dateReserved": "2024-02-13T00:00:00.000Z",
"dateUpdated": "2025-04-24T15:40:18.584Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2023-52431",
"date": "2026-09-20",
"epss": "0.00244",
"percentile": "0.15962"
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"source": "cve@mitre.org"
},
{
"affectedData": [
{
"cpes": [
"cpe:2.3:a:plack_middleware:xsrf_block_package_for_perl:*:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"product": "xsrf_block_package_for_perl",
"vendor": "plack_middleware",
"versions": [
{
"lessThan": "0.0.19",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
}
],
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:plack\\:\\:middleware\\:\\:xsrfblock_project:plack\\:\\:middleware\\:\\:xsrfblock:*:*:*:*:*:perl:*:*",
"matchCriteriaId": "22DACA4A-5302-45A1-883A-F299ED49844D",
"versionEndExcluding": "0.0.19",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "The Plack::Middleware::XSRFBlock package before 0.0.19 for Perl allows attackers to bypass a CSRF protection mechanism via an empty form value and an empty cookie (if signed cookies are disabled)."
},
{
"lang": "es",
"value": "El paquete Plack::Middleware::XSRFBlock anterior a 0.0.19 para Perl permite a los atacantes eludir un mecanismo de protecci\u00f3n CSRF mediante un valor de formulario vac\u00edo y una cookie vac\u00eda (si las cookies firmadas est\u00e1n deshabilitadas)."
}
],
"id": "CVE-2023-52431",
"lastModified": "2026-06-17T06:42:40.597",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
},
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 5.9,
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2023-52431",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-02-13T16:56:01.892230Z",
"version": "2.0.3"
}
}
]
},
"published": "2024-02-13T05:15:08.797",
"references": [
{
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory"
],
"url": "https://github.com/briandfoy/cpan-security-advisory/blob/9374f98bef51e1ae887f293234050551c079776f/cpansa/CPANSA-Plack-Middleware-XSRFBlock.yml#L2-L15"
},
{
"source": "cve@mitre.org",
"tags": [
"Release Notes"
],
"url": "https://metacpan.org/release/DAKKAR/Plack-Middleware-XSRFBlock-0.0.19/source/Changes"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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],
"url": "https://github.com/briandfoy/cpan-security-advisory/blob/9374f98bef51e1ae887f293234050551c079776f/cpansa/CPANSA-Plack-Middleware-XSRFBlock.yml#L2-L15"
},
{
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],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
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"description": [
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"value": "CWE-352"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
},
{
"description": [
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"value": "CWE-269"
}
],
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
]
}
},
"redhat_vex": {
"current_release_date": "2025-05-28T23:40:20+00:00",
"cve": "CVE-2023-52431",
"id": "CVE-2023-52431",
"initial_release_date": "2023-01-01T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "CVE-2023-52431",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-52431.json",
"version": "3"
},
"vulnrichment": {
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-02T22:55:41.859Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
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{
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],
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}
],
"title": "CVE Program Container"
},
{
"affected": [
{
"cpes": [
"cpe:2.3:a:plack_middleware:xsrf_block_package_for_perl:*:*:*:*:*:*:*:*"
],
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"product": "xsrf_block_package_for_perl",
"vendor": "plack_middleware",
"versions": [
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"status": "affected",
"version": "0",
"versionType": "custom"
}
]
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],
"metrics": [
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"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
{
"other": {
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"options": [
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"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-02-13T16:56:01.892230Z",
"version": "2.0.3"
},
"type": "ssvc"
}
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"problemTypes": [
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"dateUpdated": "2024-08-01T15:50:39.091Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
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{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "The Plack::Middleware::XSRFBlock package before 0.0.19 for Perl allows attackers to bypass a CSRF protection mechanism via an empty form value and an empty cookie (if signed cookies are disabled)."
}
],
"problemTypes": [
{
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],
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},
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"datePublished": "2024-02-13T00:00:00.000Z",
"dateReserved": "2024-02-13T00:00:00.000Z",
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"state": "PUBLISHED"
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}
}
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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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