Vulnerabilities
Misconfiguration
Compliance
CVE Vulnerabilities

CVE-2021-3127

Improper Handling of Exceptional Conditions

Published: Mar 16, 2021 | Modified: Nov 21, 2024
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N
RedHat/V2
RedHat/V3
Ubuntu
MEDIUM
Vulnerability-free packages from our partners
root.io logo minimus.io logo echo.ai logo
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2021-3127
CWEhttps://cwe.mitre.org/data/definitions/755.html

NATS Server 2.x before 2.2.0 and JWT library before 2.0.1 have Incorrect Access Control because Import Token bindings are mishandled.

Weakness

The product does not handle or incorrectly handles an exceptional condition.

Affected Software

NameVendorStart VersionEnd Version
Jwt_libraryNats*2.0.1 (excluding)
Nats_serverNats2.0.0 (including)2.2.0 (excluding)
Golang-github-nats-io-jwtUbuntuesm-apps/focal*
Golang-github-nats-io-jwtUbuntuesm-apps/jammy*
Golang-github-nats-io-jwtUbuntufocal*
Golang-github-nats-io-jwtUbuntugroovy*
Golang-github-nats-io-jwtUbuntuhirsute*
Golang-github-nats-io-jwtUbuntuimpish*
Golang-github-nats-io-jwtUbuntujammy*
Golang-github-nats-io-jwtUbuntukinetic*
Golang-github-nats-io-jwtUbuntulunar*
Golang-github-nats-io-jwtUbuntumantic*
Golang-github-nats-io-jwtUbuntutrusty*
Golang-github-nats-io-jwtUbuntuupstream*

References

Aqua Security is the largest pure-play cloud native security company, providing customers the freedom to innovate and run their businesses with minimal friction. The Aqua Cloud Native Security Platform provides prevention, detection, and response automation across the entire application lifecycle to secure the build, secure cloud infrastructure and secure running workloads wherever they are deployed.
Copyright © 2026 Aqua Security Software Ltd.   Privacy Policy | Terms of Use