Home/CVE/CRLF injection vulnerability in the Undertow web server in WildFly 10.0.0, as used in Red Hat JBoss Enterprise Applicati
CVE

CVE-2016-4993

CRLF injection vulnerability in the Undertow web server in WildFly 10.0.0, as used in Red Hat JBoss Enterprise Applicati

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.

MEDIUM · CVSS 6.1 EPSS 0.01476
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-113Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting')
CWE-93Improper Neutralization of CRLF Sequences ('CRLF Injection')
▤

Affected Products & Versions

2
redhat jboss enterprise application platform<= 7.0.1
redhat jboss wildfly application serverall versions
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Maven org.wildfly:wildfly-undertow MODERATE fixed in 11.0.0.Final
▣

Scoring & Timeline

6.1
MEDIUM · CVSS v3.0 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD26 Sep 2016 · 02:59 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
⚑

Vendor Advisories

15
rhsaRHSA-2019:0877Important
rhsaRHSA-2018:2643Important
rhsaRHSA-2020:2562Important
rhsaRHSA-2018:1249Moderate
rhsaRHSA-2018:1251Moderate
🔗

References & Sources

7
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://rhn.redhat.com/errata/RHSA-2016-1838.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1839.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1840.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1841.htmlThird Party Advisory
http://www.securityfocus.com/bid/92894
http://www.securitytracker.com/id/1036758Third Party Advisory
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