What’s Vulnerable › Vulnerabilities

CVE-2020-13921

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 33.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-08-05 · updated 2026-06-17
• Weakness: CWE-89

Description

**Resolved** Only when using H2/MySQL/TiDB as Apache SkyWalking storage, there is a SQL injection vulnerability in the wildcard query cases.

Affected products

• Apache Software Foundation Apache SkyWalking: 6.5.0, 6.6.0, 7.0.0, 8.0.0, 8.0.1

References

• http://www.openwall.com/lists/oss-security/2020/08/05/3
• https://github.com/apache/skywalking/pull/4970
• https://lists.apache.org/thread.html/r6f3a934ebc54585d8468151a494c1919dc1ee2cccaf237ec434dbbd6%40%3Cdev.skywalking.apache.org%3E
• http://www.openwall.com/lists/oss-security/2020/08/05/3
• https://github.com/apache/skywalking/pull/4970
• https://lists.apache.org/thread.html/r6f3a934ebc54585d8468151a494c1919dc1ee2cccaf237ec434dbbd6%40%3Cdev.skywalking.apache.org%3E

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