CVE-2024-53271

Envoy is a cloud-native high-performance edge/middle/service proxy. In affected versions envoy does not properly handle http 1.1 non-101 1xx responses. This can lead to downstream failures in networked devices. This issue has been addressed in versions 1.31.5 and 1.32.3. Users are advised to upgrade. There are no known workarounds for this issue.

CVSS v3.1

7.1 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H

EPSS

0.62% chance of exploitation in the next 30 days, 47th percentile

Published

2024-12-18

Proof-of-concept exploits (1)

• envoyproxy/envoy/security/advisories/GHSA-rmm5-h2wv-mg4f

References

• CVE Record
• NVD entry

Related

• CVE-2019-18801
• CVE-2019-18836
• CVE-2019-9900
• CVE-2022-29225
• CVE-2023-27487
• CVE-2023-27488