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Log4Shell

Log4Shell (CVE-2021-44228) is a vulnerability reported in November 2021 in Log4j, a popular Java logging framework, involving arbitrary code execution and exploited as a zero-day vulnerability. The vulnerability had existed unnoticed since 2013 and was privately disclosed to the Apache Software Foundation, of which Log4j is a project, by Chen Zhaojun of…

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Affected software
Applications logging user input using Log4j 2
Date discovered
24 November 2021; 4 years ago (2021-11-24)
Date patched
9 December 2021; 4 years ago (2021-12-09)
Discoverer
Chen Zhaojun of the Alibaba Cloud Security Team

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Log4Shell

Nodes79
Edges78
Triples40
Avg. degree1.97
Density0.025316
Components1

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Log4Shell

Top relations

related to Businesses · 16
Log4Shell → According, Allan Liska, Amazon, Azure, December, EY, Google, Internet, Log4j, Microsoft, Recorded Future, Research, The, UKG, Windows, Wiz
related to Analysis · 10
Log4Shell → As, Check Point Software Technologies, December, Log4j, Most, Several, Technology, The, This, Wired
related to External links · 6
Log4Shell → Apache Security Team, Exposures, GitHubCommon Vulnerabilities, Log4j, NL, Vulnerabilities Database
Affected software · 1
Log4Shell → Applications logging user input using Log4j 2
CVE identifier · 1
Log4Shell → CVE-.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-col…
Date discovered · 1
Log4Shell → 24 November 2021; 4 years ago (2021-11-24)
Date patched · 1
Log4Shell → 9 December 2021; 4 years ago (2021-12-09)
Discoverer · 1
Log4Shell → Chen Zhaojun of the Alibaba Cloud Security Team

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Important terminology

vulnerability log4j security software exploit java vulnerable 2021 affected december apache team jndi code cybersecurity url logging cloud data several

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Log4ShellAffected softwareApplications logging user input using Log4j 21.00infobox
Log4ShellCVE identifierCVE-.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-col…1.00infobox
Log4ShellDate discovered24 November 2021; 4 years ago (2021-11-24)1.00infobox
Log4ShellDate patched9 December 2021; 4 years ago (2021-12-09)1.00infobox
Log4ShellDiscovererChen Zhaojun of the Alibaba Cloud Security Team1.00infobox
lack of resources or third-party managed solutionsinstance ofdue to a variety of constraints0.80text
filtering outbound network traffic from vulnerable deployments has been the primary recourse for manyinstance ofdue to a variety of constraints0.80text
ransomware attacksinstance ofestablishing backdoors and other illegal activities0.80text
Log4Shellrelated to AnalysisAs0.60section
Log4Shellrelated to AnalysisDecember0.60section
Log4Shellrelated to AnalysisCheck Point Software Technologies0.60section
Log4Shellrelated to AnalysisSeveral0.60section

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    Min side: 3
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