CVE-2022-31045 | BDVDB-2026-177713 Detail

istioistio

Description#

Istio is an open platform to connect, manage, and secure microservices. In affected versions ill-formed headers sent to Envoy in certain configurations can lead to unexpected memory access resulting in undefined behavior or crashing. Users are most likely at risk if they have an Istio ingress Gateway exposed to external traffic. This vulnerability has been resolved in versions 1.12.8, 1.13.5, and 1.14.1. Users are advised to upgrade. There are no known workarounds for this issue.

Impact#

Per CVSS v3.1: confidentiality impact low, integrity impact low, availability impact high. Attack vector: network.

Weaknesses#

CWE-125 Out-of-bounds Read

References#

Exploit#

No public exploit known

History#

Version 12022-06-09Record published in the CVE List.
Version 22025-04-23Most recent update recorded in the CVE List.

Published

Published: 2022-06-09
Last modified: 2025-04-23

Vendor information

Vendor: istio
Product: istio

All istio vulnerabilities

Score

7.0 High

EPSS

1.1%, Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 68.2.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Memory Corruption

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< 1.12.18
Fixed
Not stated
Vulnerable
>= 1.13.0, < 1.13.5
Fixed
Not stated
Vulnerable
>= 1.14.0, < 1.14.1
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

7.0 High

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H

Metric breakdown
Attack Vector	Network
Attack Complexity	High
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	Low
Integrity	Low
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).