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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.052 (92.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 92.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.052 · newest: 0.052 · change: +0.000
Affected products
- Itextpdf Itext
- Debian Linux — versions 10.0, 11.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/itext/itext7/releases/tag/7.1.17 (Third Party Advisory, Release Notes)
- pastebin.com/BXnkY9YY (Exploit, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2023/01/msg00013.html (mailing-list, Mailing List, Third Party Advisory)
- www.debian.org/security/2023/dsa-5323 (vendor-advisory, Third Party Advisory)
- github.com/itext/itextpdf/releases/tag/5.5.13.3
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.