SQL Injection in Apache Skywalking
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.
Vulnerability class: SQL Injection
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.335 (98.4th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.335 · newest: 0.335 · change: 0.000
Affected products
- Apache Skywalking — versions 6.5.0, 6.6.0, 7.0.0
- Apache Skywalking — versions Apache SkyWalking 6.5.0, 6.6.0, 7.0.0, 8.0.0, 8.0.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/apache/skywalking/pull/4970 (Third Party Advisory)
- www.openwall.com/lists/oss-security/2020/08/05/3 (mailing-list, Mailing List, Third Party Advisory)
- lists.apache.org/thread.html/r6f3a934ebc54585d8468151a494c1919dc1ee2cccaf237ec4… (mailing-list)
Frequently asked questions
- What is CVE-2020-13921?
- CVE-2020-13921 is a critical-severity vulnerability in Apache Skywalking, classified under SQL Injection. CVSS score: 9.8/10. Published 2020-08-05.
- How severe is CVE-2020-13921?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2020-13921 known to be exploited?
- 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.