Vulnerability in Line Armeria

CVE-2019-16771

Versions of Armeria 0.85.0 through and including 0.96.0 are vulnerable to HTTP response splitting, which allows remote attackers to inject arbitrary HTTP headers via CRLF sequences when unsanitized data is used to populate the headers of an HTTP response. This vulnerability has been patched in 0.97.0. Potential impacts of this vulnerability include cross-user defacement, cache poisoning, Cross-site scripting (XSS), and page hijacking.

EPSS: 0.010 (58.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-16771?
CVE-2019-16771 is a medium-severity vulnerability in Line Armeria, classified under HTTP Response Splitting. CVSS score: 4.8/10. Published 2019-12-06.
How severe is CVE-2019-16771?
Medium severity. CVSS v3 base score is 4.8 out of 10.