CVE-2021-4428 Reproduction
This DEMO is a replication of the Log4j2 ultra-high-risk RCE vulnerability CVE-2021-4428, aiming to understand the harmfulness of this vulnerability and make targeted defenses based on your system's situation.
Warning
This DEMO is solely for technical research purposes and does not involve any scripts related to malicious remote computer intrusion. Do not use the vulnerability for illegal activities such as unauthorized intrusion into others' computers. Otherwise, you may bear the following liabilities:
- According to Article 29 of the "Public Security Administration Punishments Law of the People's Republic of China", anyone who violates state regulations by intruding into a computer information system and causing harm shall be detained for up to five days; if the circumstances are serious, shall be detained for between five and ten days.
- According to the first paragraph of Article 285 of the "Criminal Law of the People's Republic of China", whoever commits this crime shall be sentenced to fixed-term imprisonment of not more than three years or criminal detention. If a unit commits this crime, a fine shall be imposed on the unit, and the directly responsible supervisor and other directly responsible personnel shall be punished in accordance with the above provisions.
Do not use for illegal purposes, otherwise you will bear corresponding legal liabilities.
Vulnerability Reproduction
See the technical article from the WeChat official account: 码农小胖哥.

Again, do not use for illegal activities.