Privilege Escalation Vulnerability in Adobe RoboHelp
Priority LOW 34CWE-427Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- High
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-427.
Summary
Adobe Robohelp version 2020.0.3 (and earlier) is affected by an uncontrolled search path element vulnerability that could lead to privilege escalation. An attacker with admin permissions to write to the file system could leverage this vulnerability to escalate privileges.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01598 75th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Adobe | RoboHelp | up to 2020.0.3; up to None | — | No fix listed | CNA |
- RoboHelp VendorAdobe Affected up to 2020.0.3; up to None Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-21070
- 2026-10-03 Alias added: GHSA-whpp-mq64-qp2q
References
More Adobe Robohelp vulnerabilities
- TI-2013-04565 MDBMS.dll in Adobe RoboHelp 10 allows attackers to execute arbitrary code or cause a… CVSS 2.0HIGH 10.0
- TI-2016-00941 Adobe RoboHelp Server 9 before 9.0.1 mishandles SQL queries, which allows attackers to… CVSS 3.0HIGH 7.5
- TI-2007-01240 Cross-site scripting (XSS) vulnerability in Adobe RoboHelp X5, 6, and Server 6 allows… CVSS 2.0MEDIUM 4.3
- TI-2017-02325 Open redirect in Adobe RoboHelp RH2017.0.1 and earlier versions CVSS 3.0MEDIUM 6.1
- TI-2016-06635 Cross-site scripting in Adobe RoboHelp 2015.0.3 and earlier, RoboHelp 11 and earlier CVSS 3.0MEDIUM 6.1
- TI-2017-02324 Cross-site scripting in Adobe RoboHelp RH2017.0.1 and earlier versions CVSS 3.0MEDIUM 6.1
Sources
- CVE-2021-21070 · CVE Program
- CVE-2021-21070 · NVD
- FIRST EPSS
- GHSA-whpp-mq64-qp2q · GitHub Advisory Database · CC BY 4.0
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