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TI-2021-00272 Aliases CVE-2021-0341GHSA-3cqm-mf7h-prrj

Improper certificate validation in Android

Priority LOW 35CWE-295Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Spoofing
Confidentiality · integrity · availability
High · None · None
Fix status
Partial Red Hat: 9 fixed, 12 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-295.

Summary

In verifyHostName of OkHostnameVerifier.java, there is a possible way to accept a certificate for the wrong domain due to improperly used crypto. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-8.1 Android-9 Android-10 Android-11Android ID: A-171980069

Why it matters now

EPSS 0.00915 60th percentileScored 2026-11-07
Fix Partial com.squareup.okhttp3:okhttp (Maven): 4.9.2Red Hat: 8 advisoriesRed Hat: 9 fixed, 12 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—AndroidAndroid-8.1 Android-9 Android-10 Android-11—No fix listedCNA
—com.squareup.okhttp3:okhttp (Maven)before 4.9.24.9.2Patch availableGHSA-3cqm-mf7h-prrj
  • Android Vendor— Affected Android-8.1 Android-9 Android-10 Android-11 Fixed in — No fix listed CNA
  • com.squareup.okhttp3:okhttp (Maven) Vendor— Affected before 4.9.2 Fixed in 4.9.2 Patch available GHSA-3cqm-mf7h-prrj

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:o:google:android:8.1:*:*:*:*:*:*:*8.1VulnerableGoogle
cpe:2.3:o:google:android:9.0:*:*:*:*:*:*:*9.0VulnerableGoogle
cpe:2.3:o:google:android:10.0:*:*:*:*:*:*:*10.0VulnerableGoogle
cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:*11.0VulnerableGoogle
  • cpe:2.3:o:google:android:8.1:*:*:*:*:*:*:* Versions 8.1 Vulnerable ·Google
  • cpe:2.3:o:google:android:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Google
  • cpe:2.3:o:google:android:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Google
  • cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:* Versions 11.0 Vulnerable ·Google

Remediation

  • Fix · GHSA-3cqm-mf7h-prrj com.squareup.okhttp3:okhttp (Maven) Fixed in 4.9.2 Advisory →

Red Hat 8 advisories

  • RHSA-2024:6667 Released 2024-09-12 · Red Hat rating Important
    Red Hat OpenShift Dev Spaces 3.16.0 release
    • Red Hat OpenShift Dev Spaces 3 devspaces/code-rhel8, devspaces/configbump-rhel8, devspaces/dashboard-rhel8 +10
  • RHSA-2023:3223 Released 2023-05-18 · Red Hat rating Important
    Red Hat AMQ Streams 2.4.0 release and security update
    • Red Hat AMQ Streams 2.4.0
  • RHSA-2023:2710 Released 2023-05-10 · Red Hat rating Moderate
    Red Hat Single Sign-On 7.6.3 for OpenShift image security update
    • Middleware Containers for OpenShift rh-sso-7/sso76-openshift-rhel8
Show 5 more Red Hat advisories
  • RHSA-2023:2723 Released 2023-05-10 · Red Hat rating Moderate
    Red Hat Data Grid 8.4.2 security update
    • Red Hat Data Grid 8.4.2
  • RHSA-2023:2713 Released 2023-05-10 · Red Hat rating Moderate
    Red Hat Single Sign-On 7.6.3 security update
    • Red Hat Single Sign-On 7
  • RHSA-2023:2706 Released 2023-05-10 · Red Hat rating Moderate
    Red Hat Single Sign-On 7.6.3 security update on RHEL 8
    • Red Hat Single Sign-On 7.6 for RHEL 8 rh-sso7-keycloak-18.0.7-1.redhat_00001.1.el8sso, rh-sso7-keycloak-server-18.0.7-1.redhat_00001.1.el8sso
  • RHSA-2023:2707 Released 2023-05-10 · Red Hat rating Moderate
    Red Hat Single Sign-On 7.6.3 security update on RHEL 9
    • Red Hat Single Sign-On 7.6 for RHEL 9 rh-sso7-keycloak-18.0.7-1.redhat_00001.1.el9sso, rh-sso7-keycloak-server-18.0.7-1.redhat_00001.1.el9sso
  • RHSA-2023:2705 Released 2023-05-10 · Red Hat rating Moderate
    Red Hat Single Sign-On 7.6.3 security update on RHEL 7
    • Red Hat Single Sign-On 7.6 for RHEL 7 Server rh-sso7-keycloak-18.0.7-1.redhat_00001.1.el7sso, rh-sso7-keycloak-server-18.0.7-1.redhat_00001.1.el7sso

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Decision Manager 7AffectedNo fix planned: Out of support scope
Red Hat Fuse 7AffectedNo fix planned: Out of support scope
Red Hat Integration Camel K 1AffectedNo fix planned: Will not fix
Red Hat Integration Camel Quarkus 1AffectedNo fix yet
Red Hat JBoss Enterprise Application Platform 7AffectedNo fix planned: Will not fix
Red Hat JBoss Fuse 6AffectedNo fix planned: Out of support scope
Red Hat JBoss Fuse Service Works 6AffectedNo fix planned: Out of support scope
Red Hat OpenShift Application RuntimesAffectedNo fix planned: Will not fix
Red Hat OpenShift Container Platform 3.11AffectedNo fix planned: Out of support scope
Red Hat OpenShift Container Platform 4AffectedNo fix planned: Will not fix
Red Hat OpenShift Dev SpacesAffectedNo fix yet
Red Hat Process Automation 7AffectedNo fix planned: Out of support scope
Middleware Containers for OpenShiftFixed RHSA-2023:2710
Red Hat AMQ Streams 2.4.0Fixed RHSA-2023:3223
Red Hat Data Grid 8.4.2Fixed RHSA-2023:2723
Red Hat JBoss Enterprise Application Platform Expansion PackFixed RHSA-2023:0756
Red Hat OpenShift Dev Spaces 3Fixed RHSA-2024:6667
Red Hat Single Sign-On 7Fixed RHSA-2023:2713
Red Hat Single Sign-On 7.6 for RHEL 7 ServerFixed RHSA-2023:2705
Red Hat Single Sign-On 7.6 for RHEL 8Fixed RHSA-2023:2706
Red Hat Single Sign-On 7.6 for RHEL 9Fixed RHSA-2023:2707
Not affected: 8 products
  • Logging Subsystem for Red Hat OpenShift
  • Red Hat AMQ Broker 7
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9
  • Red Hat JBoss Data Grid 6
  • Red Hat OpenShift Dev Spaces 3
  • Red Hat build of Apicurio Registry 2
  • Red Hat build of Quarkus

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-0341
  2. 2026-10-03 Alias added: GHSA-3cqm-mf7h-prrj

References

Patch 1

Advisory 1

Other 4

  • TI-2026-42236 Improper authorization in Google Android KEVCVSS 3.1HIGH 8.8
  • TI-2025-30821 Use after free in Google Android KEVCVSS 3.1HIGH 8.8
  • TI-2023-17777 Improper privilege management in Google Android KEVCVSS 3.1HIGH 8.8
  • TI-2025-30872 Integer overflow in Google Android KEVCVSS 3.1HIGH 8.4
  • TI-2024-21766 there is a possible way to bypass due to a logic error in the code. KEVCVSS 3.1HIGH 8.1
  • TI-2025-30849 Missing authentication in Google Android KEVCVSS 3.1HIGH 7.8
See all 8410 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences