High severity · published Sep 26, 2019
CVE-2019-16869
Netty before 4.1.42.Final mishandles whitespace before the colon in HTTP headers (such as a "Transfer-Encoding : chunked" line), which leads to HTTP request smuggling
7.5
CVSS
8.6%
EPSS
No
On KEV
Description
Netty before 4.1.42.Final mishandles whitespace before the colon in HTTP headers (such as a "Transfer-Encoding : chunked" line), which leads to HTTP request smuggling.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)8.6% · higher than 95% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
8.0; 9.0; 10.0 · source: NVD
JE
Jboss Enterprise Application Platform · Redhat
7.2; 7.3; 7.4 · source: NVD
NE
Netty · Netty
before 4.1.42 · source: NVD
UL
Ubuntu Linux · Canonical
18.04 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-16869
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-16869
Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:3892
Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:3901
Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0159
Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0160
Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0161
Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0164
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