Read the docs
TI-2021-02535 Aliases CVE-2021-3586GHSA-hq9j-p426-983m

A flaw was found in servicemesh-operator.

Priority MEDIUM 44CWE-1188Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.

Summary

A flaw was found in servicemesh-operator. The NetworkPolicy resources installed for Maistra do not properly specify which ports may be accessed, allowing access to all ports on these resources from any pod. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Why it matters now

EPSS 0.01029 63rd percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
—servicemesh-operatorAffects v2.0.5.1, Fixed in v2.0.5.2.—No fix listedCNA
  • servicemesh-operator Vendor— Affected Affects v2.0.5.1, Fixed in v2.0.5.2. Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:redhat:openshift_service_mesh:2.0:*:*:*:*:*:*:*2.0VulnerableRed Hat
cpe:2.3:a:redhat:servicemesh-operator:2.0.5.1:*:*:*:*:*:*:*2.0.5.1VulnerableRed Hat
  • cpe:2.3:a:redhat:openshift_service_mesh:2.0:*:*:*:*:*:*:* Versions 2.0 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:servicemesh-operator:2.0.5.1:*:*:*:*:*:*:* Versions 2.0.5.1 Vulnerable ·Red Hat

Remediation

Red Hat 1 advisory

  • RHSA-2021:2380 Released 2021-06-10 · Red Hat rating Important
    servicemesh-operator security update
    • OpenShift Service Mesh 2.0 servicemesh-operator-2.0.5-3.el8

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
OpenShift Service Mesh 2.0Fixed RHSA-2021:2380

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-3586
  2. 2026-10-03 Alias added: GHSA-hq9j-p426-983m

References

Advisory 2

  • TI-2023-23979 The HTTP/2 protocol allows a denial of service (server resource consumption) because… KEVCVSS 3.1HIGH 7.5
  • TI-2019-06950 Some HTTP/2 implementations are vulnerable to a settings flood, potentially leading to a… CVSS 3.1HIGH 7.5
  • TI-2019-06949 Some HTTP/2 implementations are vulnerable to a reset flood, potentially leading to a… CVSS 3.1HIGH 7.5
  • TI-2019-06948 Some HTTP/2 implementations are vulnerable to resource loops, potentially leading to a… CVSS 3.1HIGH 7.5
  • TI-2026-32429 Axios: Credential Theft and Response Hijacking via Prototype Pollution Gadget in Config Merge CVSS 3.1HIGH 7.7
  • TI-2019-06946 Some HTTP/2 implementations are vulnerable to window size manipulation and stream… CVSS 3.1HIGH 7.5
See all 23 →

Sources

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