Strix
26.1K

CVE-2019-16869

HIGHCVSS 7.5/10EPSS 8.42%

Last modified

CVE-2019-16869 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 8.42% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS Probability
8.42%

94.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
NettyNetty< 4.1.42
DebianDebian Linux8.0
DebianDebian Linux9.0
DebianDebian Linux10.0
CanonicalUbuntu Linux18.04
RedhatJboss Enterprise Application Platform7.2
RedhatJboss Enterprise Application Platform7.3
RedhatJboss Enterprise Application Platform7.4

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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.
How severe is CVE-2019-16869?
CVE-2019-16869 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 8.42% probability of exploitation in the next 30 days.
How do I fix CVE-2019-16869?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-16869?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST