Your RSA-2048 keys break in 2030. Find every one of them before attackers do.
📦 npm

CVE-2020-21176

CRITICAL

SQL Injection in thinkjs

Also known asGHSA-q5mq-6fjg-4mw8
Published
Feb 1, 2021
Updated
Apr 10, 2026
Affected
1 pkg
Patched
None yet
Exploits
1 known

EPSS Exploitation Probability

via FIRST.org ↗
1.5%probability of exploitation in next 30 days
Lower Risk71th percentile+0.96%
0.03%0.68%1.33%1.99%0.5%1.5%Dec 25Apr 26Jun 26

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

Blast Radius

1 pkg affected

Weekly download volume for affected packages — a proxy for how broadly this vulnerability is deployed.

thinkjsnpm
2Kdownloads / week

Description

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.

Affected Packages

1 total
EcosystemPackageVulnerable rangeFix
📦npmthinkjsall versionsNo fix
Exploits & PoCs
1

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

Detection & mitigation playbook

Open-source dependency
  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for thinkjs. O3's reachability analysis confirms whether the vulnerable code path is actually invoked in your application, so you act on real exposure instead of every transitive match.

  2. Remediation status

    No patched version of thinkjs has shipped for CVE-2020-21176 yet. Where your build allows, override or pin the dependency away from the vulnerable range, and apply any maintainer-recommended mitigation.

  3. Mitigate without a patch

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

  4. How O3 protects you

    O3 pinpoints whether CVE-2020-21176 is reachable in your code and exactly where to fix it, then blocks exploitation in production at runtime until the patched version is deployed.

Tailored to CVE-2020-21176. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

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.
O3 Security · Impact-Aware SCA

Is CVE-2020-21176 in your dependencies?

O3 detects CVE-2020-21176 across npm dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.