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CVE-2022-21701

28
FAUCET Score

CVE-2022-21701 is a privilege escalation vulnerability affecting Istio versions 1.12.0 and 1.12.1, specifically impacting the Alpha-level Kubernetes Gateway API. Users with CREATE permissions for gateways.gateway.networking.k8s.io objects can exploit this to create other unauthorized resources, such as Pods. With a CVSS score of 8.8 (High), this vulnerability has a network attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.12.0CPE matchmatch criteria
cpe:2.3:a:istio:istio:1.12.0:-:*:*:*:*:*:*
1.12.0CPE matchmatch criteria
cpe:2.3:a:istio:istio:1.12.0:alpha0:*:*:*:*:*:*
1.12.0CPE matchmatch criteria
cpe:2.3:a:istio:istio:1.12.0:alpha1:*:*:*:*:*:*
1.12.0CPE matchmatch criteria
cpe:2.3:a:istio:istio:1.12.0:alpha5:*:*:*:*:*:*
1.12.0CPE matchmatch criteria
cpe:2.3:a:istio:istio:1.12.0:beta0:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.0MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
1.6
Impact Score
3.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.77%
Probability of exploitation in next 30 days
EPSS Percentile
51.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0077 is in the 45th percentile among its peer group of 17,822 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

Vendor Patches (1)

redhatend of lifevia redhat_api
Product: OpenShift Service Mesh 2.1Fixed in: servicemesh

Vendor Advisories (1)

redhatCVE-2022-21701Moderate

istio: Privileged Escalation in Kubernetes Gateway API

Jan 18, 2022

References

github.com / istio/istio/security/advisories/GHSA-mq8f-9446-c28r
Third Party Advisory
istio.io / latest/news/releases/1.12.x/announcing-1.12.2
MitigationRelease NotesVendor Advisory