High severity7.8NVD Advisory· Published Mar 5, 2021· Updated Jun 17, 2026

CVE-2021-28042

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Deutsche Post/Mailoptimizerdescription
Deutsche Post/Mailoptimizerllm-create
Range: <=4.3

Patches

Vulnerability mechanics

References

herolab.usd.de/security-advisories/usd-2020-0028/nvdThird Party Advisory
www.deutschepost.de/de/m/mailoptimizer.htmlnvdProduct

News mentions

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