CVE-2019-16785 is an HTTP request smuggling/splitting vulnerability in Waitress versions prior to 1.4.0, affecting products like Debian, Fedora, Oracle, and Red Hat. This flaw arises from Waitress's lenient parsing of line terminators (LF instead of CRLF), which can cause a mismatch in how front-end and back-end servers interpret HTTP messages. With a CVSS score of 7.5 (High), this vulnerability allows unauthenticated attackers to manipulate HTTP requests, potentially leading to data manipulation (I:H) without requiring user interaction. There is no evidence of active exploitation, and no public exploit code or significant community discussion has been identified.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 1.3.1CPE matchmatch criteria | cpe:2.3:a:agendaless:waitress:*:*:*:*:*:*:*:* | ||
1.10.0CPE matchmatch criteria | cpe:2.3:a:oracle:communications_cloud_native_core_network_function_cloud_native_environment:1.10.0:*:*:*:*:*:*:* | ||
9.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | ||
30CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* | ||
31CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N
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The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.