VDB
CVE-2020-26521
CVE-2020-26521
PUBLISHED
CVSS 7.5 HIGH
The JWT library in NATS nats-server before 2.1.9 allows a denial of service (a nil dereference in Go code).
EPSS 2.12% · 80.5th percentile
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
2.12%
80.5th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:25.10 | golang-github-nats-io-jwt | 0, 2.7.3-1 |
| Ubuntu:24.04:LTS | golang-github-nats-io-jwt | 0, 2.4.1-1, 2.5.2-1 |
| Ubuntu:20.04:LTS | golang-github-nats-io-jwt | 0, 0.0~git20181120.285cf2c-4 |
| Ubuntu:22.04:LTS | golang-github-nats-io-jwt | 0.0~git20181120.285cf2c-4.1, 0 |
Timeline
- Nov 6, 2020 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Dec 28, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 2, 2022 EPSS Score
- Jul 4, 2022 EPSS Score
- Sep 6, 2022 EPSS Score
- Jan 9, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2020-26521 third-party-advisory
- https://advisories.nats.io/CVE/CVE-2020-26521.txt third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2020-26521 third-party-advisory
- https://github.com/nats-io/jwt/security/advisories/GHSA-h2fg-54x9-5qhq third-party-advisory
- http://www.openwall.com/lists/oss-security/2020/11/02/2 third-party-advisory