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CVE-2023-46129

21
FAUCET Score

CVE-2023-46129 is a cryptographic vulnerability affecting the NATS.io nkeys library (versions 0.4.0-0.4.5) and NATS server (versions 2.10.0-2.10.3). This flaw causes encryption, particularly in authentication callouts, to occur with an all-zeros key, resulting in a high confidentiality impact (CVSS 7.5) from an unauthenticated network attacker with low complexity. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion regarding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.10.0, < 2.10.4CPE matchmatch criteria
cpe:2.3:a:linuxfoundation:nats-server:*:*:*:*:*:*:*:*
>= 0.4.0, < 0.4.6CPE matchmatch criteria
cpe:2.3:a:nats:nkeys:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.37%
Probability of exploitation in next 30 days
EPSS Percentile
29.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0037 is in the 10th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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 (15)

gopatch availablevia ghsa
Product: github.com/nats-io/nkeysFixed in: 0.4.6
gopatch availablevia ghsa
Product: github.com/nats-io/nats-server/v2Fixed in: 2.10.4
microsoftpatch availablevia msrc
Product: azl3 telegraf 1.27.3-4 on Azure Linux 3.0Fixed in: 1.29.4-1
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 x64Fixed in: 1.27.4-1
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 ARMFixed in: 1.27.4-1
microsoftpatch availablevia msrc
Product: Azure Linux 3.0 x64Fixed in: 1.29.4-1
microsoftpatch availablevia msrc
Product: Azure Linux 3.0 ARMFixed in: 1.29.4-1
microsoftpatch availablevia msrc
Product: cbl2 telegraf 1.27.4-1 on CBL Mariner 2.0Fixed in: 1.27.4-1
microsoftpatch availablevia msrc
Product: azl3 telegraf 1.29.4-1 on Azure Linux 3.0Fixed in: 1.29.4-1
redhatpatch availablevia redhat_api
Product: Red Hat Openshift distributed tracing 3.0Fixed in: rhosdt/tempo-gateway-rhel8:0.1.2-19
View patch
github_advisoryvendor investigatingvia nvd_reference
View patch
redhatno patchvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift4/dpu-network-rhel8-operator
redhatno patchvia redhat_api
Product: Red Hat OpenShift distributed tracing 2Fixed in: rhosdt/tempo-gateway-rhel8
redhatend of lifevia redhat_api
Product: OpenShift ServerlessFixed in: openshift-serverless-1/ingress-rhel8-operator
redhatend of lifevia redhat_api
Product: Red Hat Openshift Data Foundation 4Fixed in: odf4/odf-multicluster-rhel9-operator

Vendor Advisories (4)

microsoft2024-Jun/CVE-2023-46129

CVE-2023-46129

Jun 11, 2024
goGHSA-mr45-rx8q-wcm9high

xkeys seal encryption used fixed key for all encryption

Oct 31, 2023
redhatCVE-2023-46129Important

nkeys: xkeys Seal encryption used fixed key for all encryption

Oct 29, 2023
microsoft2023-Oct/CVE-2023-46129Important

xkeys Seal encryption used fixed key for all encryption

Oct 10, 2023

References

github.com / nats-io/nkeys/security/advisories/GHSA-mr45-rx8q-wcm9
Vendor Advisory
lists.fedoraproject.org / archives/list/[email protected]/message/R3UETKPUB3V5JS5TLZOF3SMTGT5K5APS
lists.fedoraproject.org / archives/list/[email protected]/message/ULQQONMSCQSH5Z5OWFFQHCGEZ3NL4DRJ
openwall.com / lists/oss-security/2023/10/31/1
Mailing ListThird Party Advisory