Skip to main content

Istio CVE-2021-34824

HIGH
2021-06-29 cve@mitre.org
Information Disclosure Istio
8.8
CVSS 3.1 · NVD
Share

Severity by source

NVD PRIMARY
8.8 HIGH
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

1
CVE Published
Jun 29, 2021 - 14:15 nvd
HIGH 8.8

DescriptionNVD

Istio (1.8.x, 1.9.0-1.9.5 and 1.10.0-1.10.1) contains a remotely exploitable vulnerability where credentials specified in the Gateway and DestinationRule credentialName field can be accessed from different namespaces.

AnalysisAI

Istio (1.8.x, 1.9.0-1.9.5 and 1.10.0-1.10.1) contains a remotely exploitable vulnerability where credentials specified in the Gateway and DestinationRule credentialName field can be accessed from. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical ContextAI

Istio (1.8.x, 1.9.0-1.9.5 and 1.10.0-1.10.1) contains a remotely exploitable vulnerability where credentials specified in the Gateway and DestinationRule credentialName field can be accessed from different namespaces. Affected products include: Istio.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

More in Istio

View all
CVE-2021-31921 CRITICAL POC
9.8 Jun 02

Istio before 1.8.6 and 1.9.x before 1.9.5 contains a remotely exploitable vulnerability where an external client can acc
CVE-2019-18817 HIGH POC
7.5 Nov 12

Istio 1.3.x before 1.3.5 allows Denial of Service because continue_on_listener_filters_timeout is set to True, a related
CVE-2019-18836 HIGH POC
7.5 Nov 11

Envoy 1.12.0 allows a remote denial of service because of resource loops, as demonstrated by a single idle TCP connectio
CVE-2019-14993 HIGH POC
7.5 Aug 13

Istio before 1.1.13 and 1.2.x before 1.2.4 mishandles regular expressions for long URIs, leading to a denial of service

CVE-2019-12243 HIGH POC
7.5 Jun 05

Istio 1.1.x through 1.1.6 has Incorrect Access Control. Rated high severity (CVSS 7.5), this vulnerability is no authent
CVE-2020-16844 MEDIUM POC
6.8 Oct 01

In Istio 1.5.0 though 1.5.8 and Istio 1.6.0 through 1.6.7, when users specify an AuthorizationPolicy resource with DENY

CVE-2021-31920 MEDIUM POC
6.5 May 27

Istio before 1.8.6 and 1.9.x before 1.9.5 has a remotely exploitable vulnerability where an HTTP request path with multi
CVE-2022-31045 CRITICAL
9.8 Jun 09

Istio is an open platform to connect, manage, and secure microservices. Rated critical severity (CVSS 9.8), this vulnera
CVE-2026-31837 HIGH
8.7 Mar 10

Authentication enforcement in Istio service mesh fails open: prior to 1.29.1, 1.28.5, and 1.27.8, when the JWKS resolver
CVE-2022-39278 HIGH
7.5 Oct 13

Istio is an open platform-independent service mesh that provides traffic management, policy enforcement, and telemetry c
CVE-2022-24726 HIGH
7.5 Mar 10

Istio is an open platform to connect, manage, and secure microservices. Rated high severity (CVSS 7.5), this vulnerabili
CVE-2022-23635 HIGH
7.5 Feb 22

Istio is an open platform to connect, manage, and secure microservices. Rated high severity (CVSS 7.5), this vulnerabili

Same technique Information Disclosure

View all
CVE-2013-2251 CRITICAL POC
9.8
CVE-2017-5638 CRITICAL POC
9.8
CVE-2025-24813 CRITICAL POC
9.8
CVE-2015-1701 HIGH POC
7.8
CVE-2017-0147 HIGH POC
7.5
CVE-2014-6324 HIGH POC
8.8
CVE-2023-7028 CRITICAL POC
10.0
CVE-2017-0213 HIGH POC
7.3

Share

CVE-2021-34824 vulnerability details – vuln.today
Back

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy