cPanel before 64.0.21 allows demo accounts to execute code via an ImageManager_dimensions API call (SEC-243).
Priority LOW 30CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
cPanel before 64.0.21 allows demo accounts to execute code via an ImageManager_dimensions API call (SEC-243).
Why it matters now
EPSS 0.00947 61st 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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:* | 55.9999.61 to before 56.0.49; 57.9999.48 to before 58.0.49; 59.9999.58 to before 60.0.43; 61.9999.55 to before 62.0.24; 63.9999.74 to before 64.0.21 | Vulnerable | Cpanel |
- cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:* Versions 55.9999.61 to before 56.0.49; 57.9999.48 to before 58.0.49; 59.9999.58 to before 60.0.43; 61.9999.55 to before 62.0.24; 63.9999.74 to before 64.0.21 Vulnerable ·Cpanel
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2017-18439
- 2026-10-03 Alias added: GHSA-42pq-hf34-5c7v
References
More Cpanel vulnerabilities
- TI-2026-30342 WebPros cPanel and WHM Authentication Bypass via Login Flow KEVCVSS 4.0CRITICAL 9.3
- TI-2026-46792 Eval injection in cPanel 11.138.0.0 and earlier allows remote authenticated users to execute arbitrary code as root. CVSS 4.0HIGH 8.7
- TI-2004-01645 The "Allow cPanel users to reset their password via email" feature in cPanel 9.1.0 build… CVSS 2.0HIGH 10.0
- TI-2023-13860 An issue was discovered in cPanel before 11.109.9999.116. CVSS 3.1MEDIUM 6.1
- TI-2003-01325 guestbook.cgi in cPanel 5.0 allows remote attackers to execute arbitrary commands via the template parameter. CVSS 2.0HIGH 10.0
- TI-2004-01646 The login page for cPanel 9.1.0, and possibly other versions, allows remote attackers to… CVSS 2.0HIGH 10.0
Sources
- CVE-2017-18439 · CVE Program
- CVE-2017-18439 · NVD
- FIRST EPSS
- GHSA-42pq-hf34-5c7v · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences