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CVE-2021-3495

25
FAUCET Score

CVE-2021-3495 is an incorrect access control flaw in the kiali-operator affecting versions before 1.33.0 and 1.24.7 of Netlify and Red Hat Kiali Operator and OpenShift Service Mesh. An attacker with basic cluster access can exploit this to deploy arbitrary images, potentially gaining privileged service account tokens. This vulnerability has a CVSS score of 8.8 (HIGH), indicating high impact on confidentiality, integrity, and availability, with a network attack vector and low attack complexity. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.24.7CPE matchmatch criteria
cpe:2.3:a:netlify:kiali-operator:*:*:*:*:*:*:*:*
>= 1.30.0, < 1.33.0CPE matchmatch criteria
cpe:2.3:a:netlify:kiali-operator:*:*:*:*:*:*:*:*
1.0CPE matchmatch criteria
cpe:2.3:a:redhat:openshift_service_mesh:1.0:*:*:*:*:*:*:*
2.0CPE matchmatch criteria
cpe:2.3:a:redhat:openshift_service_mesh:2.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

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 Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.97%
Probability of exploitation in next 30 days
EPSS Percentile
58.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0097 is in the 54th percentile among its peer group of 17,829 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

gopatch availablevia ghsa
Product: github.com/kiali/kialiFixed in: 1.33.0
redhatpatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: OpenShift Service Mesh 2.0Fixed in: openshift-service-mesh/kiali-rhel8-operator:1.24.7-1
View patch

Vendor Advisories (2)

goGHSA-mv55-23xp-3wp8high

Access control flaw in Kiali

Jun 8, 2021
redhatCVE-2021-3495Important

kiali/kiali-operator: can deploy specified image to any namespace

May 11, 2021

References

bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatchThird Party Advisory
kiali.io / news/security-bulletins/kiali-security-003
Vendor Advisory