Vulnerability in Varnish Cache Project

CVE-2019-15892

An issue was discovered in Varnish Cache before 6.0.4 LTS, and 6.1.x and 6.2.x before 6.2.1. An HTTP/1 parsing failure allows a remote attacker to trigger an assert by sending crafted HTTP/1 requests. The assert will cause an automatic restart with a clean cache, which makes it a Denial of Service attack.

EPSS: 0.058 (92.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-15892?
CVE-2019-15892 is a high-severity vulnerability in Varnish Cache Project, classified under Reachable Assertion. CVSS score: 7.5/10. Published 2019-09-03.
How severe is CVE-2019-15892?
High severity. CVSS v3 base score is 7.5 out of 10.