Read the docs
TI-2021-09660 Aliases CVE-2021-28588GHSA-ghqh-hjhp-p556

Adobe RoboHelp Server folderId Directory Traversal Remote Code Execution Vulnerability

Priority MEDIUM 47CWE-22Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.06215 93rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
AdobeRoboHelp Serverup to 2019.0.9; up to None—No fix listedCNA
  • RoboHelp Server VendorAdobe Affected up to 2019.0.9; up to None Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:adobe:robohelp_server:*:*:*:*:*:*:*:*up to 2019.0.9VulnerableAdobe
  • cpe:2.3:a:adobe:robohelp_server:*:*:*:*:*:*:*:* Versions up to 2019.0.9 Vulnerable ·Adobe

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-28588
  2. 2026-10-03 Alias added: GHSA-ghqh-hjhp-p556

References

Advisory 1

  • TI-2009-02923 Unrestricted file upload vulnerability in the RoboHelpServer Servlet (robohelp/server) in… CVSS 2.0HIGH 9.3
  • TI-2021-18937 Adobe Bridge Buffer Overflow Arbitrary code execution CVSS 3.1HIGH 7.8
  • TI-2008-02865 Cross-site scripting (XSS) vulnerability in Adobe RoboHelp Server 6 and 7 allows remote… CVSS 3.1MEDIUM 6.1
  • TI-2023-08543 ZDI-CAN-21306: Adobe RoboHelp Server GetNewUserId SQL Injection Information Disclosure Vulnerability CVSS 3.1HIGH 7.5
  • TI-2023-08542 XML external entity injection in Adobe RoboHelp CVSS 3.1HIGH 7.5
  • TI-2023-08540 ZDI-CAN-21309: Adobe RoboHelp Server resolveDistinguishedName LDAP Injection Information Disclosure Vulnerability CVSS 3.1HIGH 7.5
See all 16 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences