← Vulnerability feed

Vulnerability record · CVE-2021-3495 · published 1 June 2021

CVE-2021-3495: Netlify kiali-operator vulnerability

Netlify · Kiali Operator

An incorrect access control flaw was found in the kiali-operator in versions before 1.33.0 and before 1.24.7. This flaw allows an attacker with a basic level of access to the cluster (to deploy a kiali operand) to use this vulnerability and deploy a given image to anywhere in the cluster, potentially gaining access to privileged service account tokens. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

8.8 CVSS 3.1 High EPSS 0.97% · top 39.6% CWE-281 · CWE-281
8.8CVSS 3.1 base score, v2 6.5
0.97%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

An incorrect access control flaw was found in the kiali-operator in versions before 1.33.0 and before 1.24.7. This flaw allows an attacker with a basic level of access to the cluster (to deploy a kiali operand) to use this vulnerability and deploy a given image to anywhere in the cluster, potentially gaining access to privileged service account tokens. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

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

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://bugzilla.redhat.com/show_bug.cgi?id=1947361 Issue TrackingPatchThird Party Advisory
https://kiali.io/news/security-bulletins/kiali-security-003/ Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1947361 Issue TrackingPatchThird Party Advisory
https://kiali.io/news/security-bulletins/kiali-security-003/ Vendor Advisory

Track CVE-2021-3495 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.5CVE-2023-44487HTTP/2 Rapid Reset stream cancellation denial of serviceThe HTTP/2 protocol permits a client to cancel many streams quickly, and the server's handling of those resets consumes disproportionate resources. T…KEVEPSS 100%analysed9.8CVE-2021-3586Redhat openshift service mesh insecure default initialization vulnerabilityA flaw was found in servicemesh-operator. The NetworkPolicy resources installed for Maistra do not properly specify which ports may be accessed, allo…EPSS 1.0%9.8CVE-2020-27846Grafana vulnerabilityA signature verification vulnerability exists in crewjam/saml. This flaw allows an attacker to bypass SAML Authentication. The highest threat from th…EPSS 4.9%8.6CVE-2020-1762Kiali insufficient session expiration vulnerabilityAn insufficient JWT validation vulnerability was found in Kiali versions 0.4.0 to 1.15.0 and was fixed in Kiali version 1.15.1, wherein a remote atta…EPSS 1.2%8.6CVE-2020-1764Kiali hard-coded credentials vulnerabilityA hard-coded cryptographic key vulnerability in the default configuration file was found in Kiali, all versions prior to 1.15.1. A remote attacker co…EPSS 3.5%8.3CVE-2019-9900Envoyproxy envoy injection vulnerabilityWhen parsing HTTP/1.x header values, Envoy 1.9.0 and before does not reject embedded zero characters (NUL, ASCII 0x0). This allows remote attackers c…EPSS 3.7%7.8CVE-2020-1704Redhat openshift service mesh incorrect permission assignment vulnerabilityAn insecure modification vulnerability in the /etc/passwd file was found in all versions of OpenShift ServiceMesh (maistra) before 1.0.8 in the opens…EPSS 0.27%7.7CVE-2026-44495Axios code injection vulnerabilityAxios is a promise based HTTP client for the browser and Node.js. From 0.19.0 to before 0.31.1 and 1.15.2, Axios contains prototype-pollution gadgets…EPSS 1.0%

Source: NIST National Vulnerability Database (record CVE-2021-3495), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.