Vulnerability · Published Mar 16, 2021 · Assigned by mitre
CVE-2021-3127
High 7.5
In plain English
A high-severity security flaw in the golang-github-nats-io-jwt package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 73% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.5High
Exploit odds (30 days)1.4%top 26.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | golang-github-nats-io-jwt | 2.2.0-1 | DEBIAN-CVE-2021-3127 |
| Debian:13 | golang-github-nats-io-jwt | 2.2.0-1 | DEBIAN-CVE-2021-3127 |
| Debian:14 | golang-github-nats-io-jwt | 2.2.0-1 | DEBIAN-CVE-2021-3127 |
| Go | github.com/nats-io/jwt | no fix listed | GHSA-62mh-w5cv-p88c |
| Go | github.com/nats-io/jwt | 1.2.3-0.20210314221642-a826c77dc9d2 | GHSA-9r5x-fjv3-q6h4 |
| Go | github.com/nats-io/jwt | 1.2.3-0.20210314221642-a826c77dc9d2 | GO-2022-0386 |
| Go | github.com/nats-io/jwt/v2 | 2.0.1 | GO-2022-0386 |
| Go | github.com/nats-io/jwt/v2 | 2.0.1 | GHSA-9r5x-fjv3-q6h4 |
| Go | github.com/nats-io/jwt/v2 | 2.0.1 | GHSA-62mh-w5cv-p88c |
| Go | github.com/nats-io/nats-server/v2 | 2.2.0 | GHSA-9r5x-fjv3-q6h4 |
| Go | github.com/nats-io/nats-server/v2 | 2.2.0 | GHSA-j756-f273-xhp4 |
| Ubuntu:22.04:LTS | golang-github-nats-io-jwt | no fix listed | UBUNTU-CVE-2021-3127 |
Affected products (as reported)
References
- https://advisories.nats.io/CVE/CVE-2021-3127.txt x_refsource_MISC