CVE-2021-31811

mediumpriority · track · 23EPSS 0.036 · 89 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

3.57% (89th) EPSS

CVSS 4.3 · medium

Is it mine?

30 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-27

In Apache PDFBox, a carefully crafted PDF file can trigger an OutOfMemory-Exception while loading the file. This issue affects Apache PDFBox version 2.0.23 and prior 2.0.x versions.

cvss

Technical severity, 0–10. One row per scoring source.

5.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v3.15.5mediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 3.6

v3.15.5mediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:Hsecondary · OSV

v3.15.1mediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-770USprimaryCWE-770USCWE-789USCWE-789US

affected products (30)

Products and version ranges known to be affected.

IBM InfoSphere Information Serverall versionscert_bundDEcpe:/a:ibm:infosphere_information_server:-
IBM QRadar SIEM 7.3all versionscert_bundDEcpe:/a:ibm:qradar_siem:7.3
IBM QRadar SIEM 7.4all versionscert_bundDEcpe:/a:ibm:qradar_siem:7.4
IBM QRadar SIEM 7.5.0all versionscert_bundDEcpe:/a:ibm:qradar_siem:7.5.0
Apache Software Foundation Apache PDFBoxApache PDFBox → 2.0.24enisa_euvdEU
apache pdfbox2.0.0 → 2.0.23nvdUScpe:2.3:a:apache:pdfbox:*:*:*:*:*:*:*:*
fedoraproject fedora= 33nvdUScpe:2.3:o:fedoraproject:fedora:*:*:*:*:*:*:*:*
fedoraproject fedora= 34nvdUScpe:2.3:o:fedoraproject:fedora:*:*:*:*:*:*:*:*
oracle banking corporate lending process management= 14.2.0nvdUScpe:2.3:a:oracle:banking_corporate_lending_process_management:*:*:*:*:*:*:*:*
oracle banking corporate lending process management= 14.3.0nvdUScpe:2.3:a:oracle:banking_corporate_lending_process_management:*:*:*:*:*:*:*:*
oracle banking corporate lending process management= 14.5.0nvdUScpe:2.3:a:oracle:banking_corporate_lending_process_management:*:*:*:*:*:*:*:*
oracle banking credit facilities process management= 14.2.0nvdUScpe:2.3:a:oracle:banking_credit_facilities_process_management:*:*:*:*:*:*:*:*
oracle banking credit facilities process management= 14.3.0nvdUScpe:2.3:a:oracle:banking_credit_facilities_process_management:*:*:*:*:*:*:*:*
oracle banking credit facilities process management= 14.5.0nvdUScpe:2.3:a:oracle:banking_credit_facilities_process_management:*:*:*:*:*:*:*:*
oracle banking supply chain finance= 14.2.0nvdUScpe:2.3:a:oracle:banking_supply_chain_finance:*:*:*:*:*:*:*:*
oracle banking supply chain finance= 14.3.0nvdUScpe:2.3:a:oracle:banking_supply_chain_finance:*:*:*:*:*:*:*:*
oracle banking supply chain finance= 14.5.0nvdUScpe:2.3:a:oracle:banking_supply_chain_finance:*:*:*:*:*:*:*:*
oracle banking trade finance= 14.5nvdUScpe:2.3:a:oracle:banking_trade_finance:*:*:*:*:*:*:*:*
oracle banking treasury management= 14.5nvdUScpe:2.3:a:oracle:banking_treasury_management:*:*:*:*:*:*:*:*
oracle communications messaging server= 8.1nvdUScpe:2.3:o:oracle:communications_messaging_server:*:*:*:*:*:*:*:*

showing 20 of 30

advisories (3)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2024-0156IBM Business Automation Workflow: Mehrere SchwachstellenDeutsch2022-02-20csaf · cert_bundDE
Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in IBM Business Automation Workflow ausnutzen, um einen Denial of Service Angriff durchzuführen und beliebigen Code zur Ausführung zu bringen.
WID-SEC-W-2025-0227IBM QRadar SIEM: Mehrere SchwachstellenDeutsch2021-11-30csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in IBM QRadar SIEM ausnutzen, um seine Privilegien zu erweitern, Administratorrechte zu erlangen, beliebigen Programmcode auszuführen, Informationen offenzulegen, Dateien zu manipulieren oder Sicherheitsvorkehrungen zu umgehen.
GHSA-fg3j-q579-v8x4Uncontrolled memory consumption2021-06-15ghsa · osvUS
In Apache PDFBox, a carefully crafted PDF file can trigger an OutOfMemory-Exception while loading the file. This issue affects Apache PDFBox version 2.0.23 and prior 2.0.x versions.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund nvd osv NVD CVE.org MITRE

published 2021-06-12modified 2026-06-17

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+3263 more

references (63)

External citations — patches, advisories, analysis.

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