CVE-2021-28588

Adobe RoboHelp Server folderId Directory Traversal Remote Code Execution Vulnerability

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.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 8.57% Top 10%
Third-Party Advisory zerodayinitiative.com
Affected: Adobe RoboHelp Server
Published at:
Updated at:

References

Link Tags
https://www.zerodayinitiative.com/advisories/ZDI-21-660/ vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-28588?
CVE-2021-28588 has been scored as a high severity vulnerability.
How to fix CVE-2021-28588?
To fix CVE-2021-28588, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-28588 being actively exploited in the wild?
It is possible that CVE-2021-28588 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~9% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-28588?
CVE-2021-28588 affects Adobe RoboHelp Server.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.