CVE-2021-2030
Reported by oracle · Published January 20, 2021
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.21 and prior. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| mysql-8.0 | Chainguard | 8.0.38-r0 |
| mysql-8.0 | Ubuntu:20.04:LTS | 8.0.22-0ubuntu0.20.04.2 |
| mysql | oracle | 8.0.21 |
Risk scores
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Oracle Corporation | MySQL Server | 8.0.21 and prior |
| Oracle Corporation | MySQL Server | 8.0.21 |
Timeline
- Jan 19, 2021 CVE Published
- Jan 20, 2021 PoC Published
- Apr 14, 2021 EPSS Score (30 in total, the first dated here)
- Jan 11, 2023 CVE Updated
- Mar 10, 2026 Security Advisory (4 in total, the first dated here)
- Aug 26, 2026 Coalition ESS Score
- Nov 4, 2026 Distribution Patch (2 in total, the first dated here)
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln CVE-2021-2030
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curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
"https://api.vdb.vulnetix.com/v2/vuln/CVE-2021-2030/fixes/registry"The Community plan is free and allows 50 queries a day. Get a free API key · API quickstart
References
- x_refsource_MISC
- x_refsource_CONFIRM
- GLSA-202105-27 vendor-advisoryx_refsource_GENTOO