What’s Vulnerable › Vulnerabilities

CVE-2021-28588: Adobe RoboHelp Server folderId Directory Traversal Remote Code Execution Vulnerability

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 6.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-06-28 · updated 2026-06-17
• Weakness: CWE-22

Description

Adobe RoboHelp Server version 2019.0.9 (and earlier) is affected by a Path Traversal vulnerability when parsing a crafted HTTP POST request. An authenticated attacker could leverage this vulnerability to achieve arbitrary code execution in the context of the current user. Exploitation of this issue does not require user interaction.

Affected products

• Adobe RoboHelp: through 2019.0.9

References

• https://www.zerodayinitiative.com/advisories/ZDI-21-660/
• https://www.zerodayinitiative.com/advisories/ZDI-21-660/

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