Mailgates
CVE-2020-12782
CRITICAL
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Command injection prevention
MITRE ATT&CK
1 technique across 1 tactic: Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. |
| Exploit ScenarioDerived | A remote attacker could inject arbitrary commands into system command execution by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability. |
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Alert meAnalysisAI
Openfind MailGates contains a Command Injection flaw, when receiving email with specific strings, malicious code in the mail attachment will be triggered and gain unauthorized access to system files. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use parameterized APIs, avoid shell execution, validate input with strict allowlists.
Affects your stack
Find out whether the stacks and servers you run are on an affected version.
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Command Injection (CWE-77), which allows attackers to inject arbitrary commands into system command execution. Openfind MailGates contains a Command Injection flaw, when receiving email with specific strings, malicious code in the mail attachment will be triggered and gain unauthorized access to system files. Affected products include: Openfind Mailaudit, Openfind Mailgates.
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
Openfind MailGates contains a Command Injection flaw, when receiving email with specific strings, malicious code in the mail attachment will be triggered and gain unauthorized access to system files.
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
OS command injection occurs when an application passes unsanitized user input directly into system shell commands.
Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.
Affected Products (CPE)NVD
The session cookie in MailGates and MailAudit from Openfind does not have the HttpOnly flag enabled, allowing remote att
Remote unauthenticated code execution in Openfind MailGates (5.0-6.0) and MailAudit (5.0-6.0) via stack-based buffer ove
MailGates and MailAudit products contain Command Injection flaw, which can be used to inject and execute system commands
CRLF Injection in Openfind MailGates/MailAudit allows remote unauthenticated attackers to read arbitrary system files vi
GitHub PoC
Exploit-DB