Vulnerability CVE-2021-28042
Published: 2021-03-05

Description:
Deutsche Post Mailoptimizer 4.3 before 2020-11-09 allows Directory Traversal via a crafted ZIP archive to the Upload feature or the MO Connect component. This can lead to remote code execution.

Type:

CWE-22

 (Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal'))

CVSS2 => (AV:N/AC:M/Au:N/C:C/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
8.3/10
8.5/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Partial
Partial
Affected software
Deutschepost -> Mailoptimizer 

 References:
https://herolab.usd.de/security-advisories/usd-2020-0028/
https://www.deutschepost.de/de/m/mailoptimizer.html
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