XXE in Itextpdf Itext

CVE-2017-9096

The XML parsers in iText before 5.5.12 and 7.x before 7.0.3 do not disable external entities, which might allow remote attackers to conduct XML external entity (XXE) attacks via a crafted PDF.

Vulnerability class: XXE (XML External Entity)

EPSS: 0.099 (95.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/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-2017-9096?
CVE-2017-9096 is a high-severity vulnerability in Itextpdf Itext, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 8.8/10. Published 2017-11-08.
How severe is CVE-2017-9096?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2017-9096 known to be exploited?
12 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.