CVE-2024-53271

highpriority · track · 0EPSS 0.006 · 49 %ileDEEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.62% (49th) EPSS

CVSS 7.1 · high

Is it mine?

12 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · osv

EPSS · scored 2026-10-27

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

Technical severity, 0–10. One row per scoring source.

7.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.5–7.1

v3.17.1highAV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.17.1highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:Hsecondary · ENISA EU

v3.17.1highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:Hsecondary · security-advisories@github.comexploitability 2.8 · impact 4.2

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: poc · Automatable: no · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-670USCWE-670US

affected products (12)

Products and version ranges known to be affected.

Google Cloud Platform <1.31.3-gke.1162000all versionscert_bundDE
Google Cloud Platform <1.32.0-gke.1448000all versionscert_bundDE
Google Cloud Platform< 1.31.3-gke.1162000cert_bundDE
Google Cloud Platform< 1.32.0-gke.1448000cert_bundDE
envoyproxy envoy1.31.0, → 1.31.5enisa_euvdEU
envoyproxy envoy1.32.0, → 1.32.3enisa_euvdEU
Сообщество свободного программного обеспечения Envoy1.31.0 → 1.31.5fstec_bduRU
Сообщество свободного программного обеспечения Envoy1.32.0 → 1.32.3fstec_bduRU
envoyproxy envoy1.31.0 → 1.31.5nvdUScpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*
envoyproxy envoy1.32.0 → 1.32.3nvdUScpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*
Bitnami envoy1.31.0 → 1.31.5osvUSpkg:bitnami/envoy
Bitnami envoy1.32.0 → 1.32.3osvUSpkg:bitnami/envoy

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-0589Google Cloud Platform: Mehrere Schwachstellen ermöglichen Denial of ServiceDeutsch2025-03-18csaf · cert_bundDE
Ein Angreifer aus einem angrenzenden Netzwerk kann mehrere Schwachstellen in Google Cloud Platform ausnutzen, um einen Denial of Service Angriff durchzuführen.
BIT-envoy-2024-53271HTTP/1.1 multiple issues with envoy.reloadable_features.http1_balsa_delay_reset in envoy2024-12-20vendor · osvUS
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.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu osv cert_bund nvd NVD CVE.org MITRE

published 2024-12-18modified 2026-06-17

references (7)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan