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Vulnerability record · CVE-2021-43113 · published 15 December 2021

CVE-2021-43113: Itextpdf itext command injection vulnerability

Itextpdf · Itext

iTextPDF in iText 7 and up to (excluding 4.4.13.3) 7.1.17 allows command injection via a CompareTool filename that is mishandled on the gs (aka Ghostscript) command line in GhostscriptHelper.java.

9.8 CVSS 3.1 Critical EPSS 5.2% · top 7.8% CWE-77 · Command injection
9.8CVSS 3.1 base score, v2 7.5
5.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
10References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

iTextPDF in iText 7 and up to (excluding 4.4.13.3) 7.1.17 allows command injection via a CompareTool filename that is mishandled on the gs (aka Ghostscript) command line in GhostscriptHelper.java.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/itext/itext7/releases/tag/7.1.17 Release NotesThird Party Advisory
https://github.com/itext/itextpdf/releases/tag/5.5.13.3
https://lists.debian.org/debian-lts-announce/2023/01/msg00013.html Mailing ListThird Party Advisory
https://pastebin.com/BXnkY9YY ExploitThird Party Advisory
https://www.debian.org/security/2023/dsa-5323 Third Party Advisory
https://github.com/itext/itext7/releases/tag/7.1.17 Release NotesThird Party Advisory
https://github.com/itext/itextpdf/releases/tag/5.5.13.3
https://lists.debian.org/debian-lts-announce/2023/01/msg00013.html Mailing ListThird Party Advisory
https://pastebin.com/BXnkY9YY ExploitThird Party Advisory
https://www.debian.org/security/2023/dsa-5323 Third Party Advisory

Track CVE-2021-43113 inside VULONE

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-43113), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.