CVE-2020-21176: SQL injection vulnerability in the model.increment and model.decrement function in ThinkJS 3.2.10 allows remot
CVE-2020-21176 is a critical-severity flaw (CVSS 9.8) affecting thinkjs. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
SQL injection vulnerability in the model.increment and model.decrement function in ThinkJS 3.2.10 allows remote attackers to execute arbitrary SQL commands via the step parameter.
Why this priority
- Critical severity
- Public exploit reference
- Remotely exploitable, no login, no user action
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 9.8 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 1.5% (top 26%) |
| CISA exploited list | No |
| Weakness | CWE-89 |
| Published | 2021-02-01 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2020-21176?
thinkjs: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2020-21176 being exploited?
CVE-2020-21176 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2020-21176 affect?
CVE-2020-21176 affects thinkjs. Severity is critical (CVSS 9.8). SQL injection vulnerability in the model.increment and model.decrement function in ThinkJS 3.2.10 allows remote attackers to execute arbitrary SQL commands via the step parameter.
How urgent is CVE-2020-21176?
Priority 63/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action