CVE-2020-13921
CRITICALCVSS 9.8/10EPSS 33.48%
Last modified
CVE-2020-13921 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. **Resolved** Only when using H2/MySQL/TiDB as Apache SkyWalking storage, there is a SQL injection vulnerability in the wildcard query cases.. EPSS estimates a 33.48% chance of exploitation in the next 30 days.
Description
**Resolved** Only when using H2/MySQL/TiDB as Apache SkyWalking storage, there is a SQL injection vulnerability in the wildcard query cases.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apache | Skywalking | 6.5.0 |
| Apache | Skywalking | 6.6.0 |
| Apache | Skywalking | 7.0.0 |
| Apache | Skywalking | 8.0.0 |
| Apache | Skywalking | 8.0.1 |
References
- http://www.openwall.com/lists/oss-security/2020/08/05/3Mailing List, Third Party Advisory
- https://github.com/apache/skywalking/pull/4970Third Party Advisory
- http://www.openwall.com/lists/oss-security/2020/08/05/3Mailing List, Third Party Advisory
- https://github.com/apache/skywalking/pull/4970Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-13921?
**Resolved** Only when using H2/MySQL/TiDB as Apache SkyWalking storage, there is a SQL injection vulnerability in the wildcard query cases.
How severe is CVE-2020-13921?
CVE-2020-13921 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 33.48% probability of exploitation in the next 30 days.
How do I fix CVE-2020-13921?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Are you affected by CVE-2020-13921?
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