Path traversal in Adobe RoboHelp Server

Published: 2021-06-08 | Updated: 2021-06-14
Risk High
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2021-28588
Exploitation vector Network
Public exploit N/A
Vulnerable software
Universal components / Libraries / Software for developers

Vendor Adobe

Security Advisory

This security advisory describes one high risk vulnerability.

1) Path traversal

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2021-28588

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No


The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences. A remote attacker can send a specially crafted HTTP request and read arbitrary files on the system.

Successful exploitation of the vulnerability may lead to system compromise.


Install update from vendor's website.

Vulnerable software versions

RoboHelp: 2019.0.1, 2019.0.2, 2019.0.3, 2019.0.4, 2019.0.5, 2019.0.6, 2019.0.7, 2019.0.8, 2019.0.9, 2019.0.10, 2019.0.11, 2019.0.12, 2019.0.14

CPE External links

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.