RCE in Itextpdf Itext

CVE-2021-43113

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.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.052 (91.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-43113?
CVE-2021-43113 is a critical-severity vulnerability in Itextpdf Itext, classified under Command Injection. CVSS score: 9.8/10. Published 2021-12-15.
How severe is CVE-2021-43113?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2021-43113 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.