Vulnerability Details CVE-2021-3902
An improper restriction of external entities (XXE) vulnerability in dompdf/dompdf's SVG parser allows for Server-Side Request Forgery (SSRF) and deserialization attacks. This issue affects all versions prior to 2.0.0. The vulnerability can be exploited even if the isRemoteEnabled option is set to false. It allows attackers to perform SSRF, disclose internal image files, and cause PHAR deserialization attacks.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.03
EPSS Ranking 86.1%
CVSS Severity
CVSS v3 Score 9.8
References
Products affected by CVE-2021-3902
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cpe:2.3:a:dompdf_project:dompdf:-
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cpe:2.3:a:dompdf_project:dompdf:0.5.2
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cpe:2.3:a:dompdf_project:dompdf:0.6.0
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cpe:2.3:a:dompdf_project:dompdf:0.6.1
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cpe:2.3:a:dompdf_project:dompdf:0.6.2
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cpe:2.3:a:dompdf_project:dompdf:0.7.0
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cpe:2.3:a:dompdf_project:dompdf:0.8.0
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cpe:2.3:a:dompdf_project:dompdf:0.8.1
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cpe:2.3:a:dompdf_project:dompdf:0.8.2
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cpe:2.3:a:dompdf_project:dompdf:0.8.3
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cpe:2.3:a:dompdf_project:dompdf:0.8.4
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cpe:2.3:a:dompdf_project:dompdf:0.8.5
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cpe:2.3:a:dompdf_project:dompdf:0.8.6
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cpe:2.3:a:dompdf_project:dompdf:1.0.0
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cpe:2.3:a:dompdf_project:dompdf:1.0.1
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cpe:2.3:a:dompdf_project:dompdf:1.0.2
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cpe:2.3:a:dompdf_project:dompdf:1.1.0
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cpe:2.3:a:dompdf_project:dompdf:1.1.1
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cpe:2.3:a:dompdf_project:dompdf:1.2.1
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cpe:2.3:a:dompdf_project:dompdf:1.2.2