Yale-L21A Firmware
by Huawei
Standard maintenance is sufficient
Yale-L21A Firmware has low exploitation rates. Attackers rarely target this software's known vulnerabilities.
What to do
- Keep automatic updates enabled
- No urgent action needed
- Review periodically as part of normal maintenance
What Attackers Target
Vulnerabilities with high exploit probability
14.3%
Confirmed actively exploited (CISA)
28.6%
Public exploit code available
14.3%
Based on 7 known vulnerabilities. Percentages show the proportion that are actively dangerous — a low percentage means most vulnerabilities in this product are not being exploited.
Most Dangerous Vulnerabilities
| CVE | CVSS | Exploit Probability | Confirmed |
|---|---|---|---|
| CVE-2019-2215 | 7.8 | 50.8% | Yes |
| CVE-2019-9506 | 8.1 | 4.5% | — |
| CVE-2020-0069 | 7.8 | 0.7% | Yes |
| CVE-2020-9223 | 7.5 | 0.3% | — |
| CVE-2019-5303 | 5.3 | 0.1% | — |
| CVE-2019-5302 | 5.3 | 0.1% | — |
| CVE-2020-9235 | 5.5 | 0.0% | — |
21
/ 100
low-risk
Active Threat
5/50 · Minimal
Exploit Availability
16/50 · Low
Score uses Wilson score intervals to account for sample size. Products with few CVEs are scored conservatively.