CVE-2016-4993
CRLF injection vulnerability in the Undertow web server in WildFly 10.0.0, as used in Red Hat JBoss Enterprise Application Platform (EAP)…
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
CRLF injection vulnerability in the Undertow web server in WildFly 10.0.0, as used in Red Hat JBoss Enterprise Application Platform (EAP) 7.x before 7.0.2, allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via unspecified vectors.
Timeline
ID reserved
By redhat
- 4 months later
· 4 months later
Published
- 8 years later
· 8 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Medium6.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
- EPSS (exploitation in 30 days)
- 2.5% · top 15% of all CVEs (8 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.1.
Weakness
Affected products
n/a
- affected n/a
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Mavenorg.wildfly:wildfly-undertowGHSA-qcqr-hcjq-whfq (opens in a new tab)
References (11)
- RHSA-2016:1841 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 92894 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- RHSA-2017:3458 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 1036758 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- RHSA-2016:1838 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2017:3455 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2017:3456 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=1344321 (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2017:3454 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2016:1839 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2016:1840 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-qcqr-hcjq-whfq (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2016-4993)Record last updated .