FKIE_CVE-2021-31812
Vulnerability from fkie_nvd - Published: 2021-06-12 10:15 - Updated: 2026-06-17 03:52
Severity
Summary
In Apache PDFBox, a carefully crafted PDF file can trigger an infinite loop while loading the file. This issue affects Apache PDFBox version 2.0.23 and prior 2.0.x versions.
References
Impacted products
{
"affected": [
{
"affectedData": [
{
"product": "Apache PDFBox",
"vendor": "Apache Software Foundation",
"versions": [
{
"lessThan": "2.0.24",
"status": "affected",
"version": "Apache PDFBox",
"versionType": "custom"
}
]
}
],
"source": "security@apache.org"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:apache:pdfbox:*:*:*:*:*:*:*:*",
"matchCriteriaId": "9E619D13-2168-4029-B977-AED9EF2D0633",
"versionEndIncluding": "2.0.23",
"versionStartIncluding": "2.0.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*",
"matchCriteriaId": "E460AA51-FCDA-46B9-AE97-E6676AA5E194",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*",
"matchCriteriaId": "A930E247-0B43-43CB-98FF-6CE7B8189835",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:oracle:banking_corporate_lending_process_management:14.2.0:*:*:*:*:*:*:*",
"matchCriteriaId": "0CF9A061-2421-426D-9854-0A4E55B2961D",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:oracle:banking_corporate_lending_process_management:14.3.0:*:*:*:*:*:*:*",
"matchCriteriaId": "F95EDC3D-54BB-48F9-82F2-7CCF335FCA78",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:oracle:banking_corporate_lending_process_management:14.5.0:*:*:*:*:*:*:*",
"matchCriteriaId": "B72B735F-4E52-484A-9C2C-23E6E2070385",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:oracle:banking_credit_facilities_process_management:14.2.0:*:*:*:*:*:*:*",
"matchCriteriaId": "8B36A1D4-F391-4EE3-9A65-0A10568795BA",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:oracle:banking_credit_facilities_process_management:14.3.0:*:*:*:*:*:*:*",
"matchCriteriaId": "55116032-AAD1-4FEA-9DA8-2C4CBD3D3F61",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:oracle:banking_credit_facilities_process_management:14.5.0:*:*:*:*:*:*:*",
"matchCriteriaId": "0275F820-40BE-47B8-B167-815A55DF578E",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:oracle:banking_supply_chain_finance:14.2.0:*:*:*:*:*:*:*",
"matchCriteriaId": "6A8420D4-AAF1-44AA-BF28-48EE3ED310B9",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:oracle:banking_supply_chain_finance:14.3.0:*:*:*:*:*:*:*",
"matchCriteriaId": "2FB80AC5-35F2-4703-AD93-416B46972EEB",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:oracle:banking_supply_chain_finance:14.5.0:*:*:*:*:*:*:*",
"matchCriteriaId": "19DAAEFF-AB4A-4D0D-8C86-D2F2811B53B1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:oracle:retail_customer_management_and_segmentation_foundation:18.1:*:*:*:*:*:*:*",
"matchCriteriaId": "DEF0F1CA-9849-43FB-9AB2-67A07AC058D1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:oracle:communications_messaging_server:8.1:*:*:*:*:*:*:*",
"matchCriteriaId": "7569C0BD-16C1-441E-BAEB-840C94BE73EF",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In Apache PDFBox, a carefully crafted PDF file can trigger an infinite loop while loading the file. This issue affects Apache PDFBox version 2.0.23 and prior 2.0.x versions."
},
{
"lang": "es",
"value": "En Apache PDFBox, un archivo PDF cuidadosamente dise\u00f1ado puede desencadenar un bucle infinito mientras se carga el archivo. Este problema afecta a versi\u00f3n 2.0.23 de Apache PDFBox anterior a versiones 2.0.x"
}
],
"id": "CVE-2021-31812",
"lastModified": "2026-06-17T03:52:16.833",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.3,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": true
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2021-06-12T10:15:07.653",
"references": [
{
"source": "security@apache.org",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://www.openwall.com/lists/oss-security/2021/06/12/1"
},
{
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],
"sourceIdentifier": "security@apache.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-834"
}
],
"source": "security@apache.org",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-835"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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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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