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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.096 (95.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.096 · newest: 0.096 · change: 0.000
Affected products
- Itextpdf Itext — versions 7.0.0, 7.0.1, 7.0.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securityfocus.com/archive/1/541483/100/0/threaded (mailing-list, VDB Entry, Third Party Advisory)
- www.oracle.com/security-alerts/cpuoct2020.html
- support.hpe.com/hpsc/doc/public/display (Third Party Advisory)
- www.compass-security.com/fileadmin/Datein/Research/Advisories/CSNC-2017-017_ite… (Third Party Advisory)
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.