Improper Neutralization of Special Elements used in a Command ('Command Injection')
CVE-2021-33515
Summary
The submission service in Dovecot before 2.3.15 allows STARTTLS command injection in lib-smtp. Sensitive information can be redirected to an attacker-controlled address.
- HIGH
- NETWORK
- LOW
- UNCHANGED
- NONE
- NONE
- LOW
- NONE
CWE-77 - Command Injection
A command injection attack involves injecting an operating system command through the data input, which gets executed on the host operating system with the privileges of the victimized application. The impact of a command injection attack may range from loss of data confidentiality and integrity to unauthorized remote access to the hosting system. The attack may cause serious data breaches and system takeover.
References
Advisory Timeline
- Published