CVE-2016-3720 json
jackson-dataformat-xml vulnerable to XML external entity (XXE)
published 2016-06-10 10 y ago modified 2026-06-17 4 mo ago also GHSA-hmq6-frv3-4727 , EUVD-2018-0616
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.8%
- EPSS 2.8% chance of exploitation in 30 days, percentile 86%
- public exploits
- 0
- none known
Summary
XML external entity (XXE) vulnerability in XmlMapper in the Data format extension for Jackson (aka jackson-dataformat-xml) allows attackers to have unspecified impact via unknown vectors.
Patch / fix
- maven com.fasterxml.jackson.dataformat:jackson-dataformat-xml 2.7.4
- jackson-dataformat-xml Debian 14, Debian 13, Debian 12 2.7.4-1
debian advisories DEBIAN-CVE-2016-3720
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2016-3720 updated cvss 5.8
jackson-dataformat-xml: XmlMapper is vulnerable to XXE attack
-
Red Hat All currently supported Red Hat productsnot affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
2.78% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
| GitHub | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | com.fasterxml.jackson.dataformat:jackson-dataformat-xml | <2.7.4 |
2.7.4 |
Classification
- Weakness
-
- CWE-611 Improper Restriction of XML External Entity Reference
References
-
lists.fedoraproject.org
/pipermail/package-announce/2016-May/184561.html
vendor-advisory, web, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2016-3720
advisory
-
github.com
/advisories/GHSA-hmq6-frv3-4727
advisory
Sources
- CVE List CVE-2016-3720
- GitHub Advisory GHSA-hmq6-frv3-4727
- NVD CVE-2016-3720
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.