Incorrect permission assignment in HPE Superdome Flex Server
Priority LOW 28CWE-732Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
A potential security vulnerability has been identified in HPE Superdome Flex Servers. The vulnerability could be remotely exploited to allow Cross Site Scripting (XSS) because the Session Cookie is missing an HttpOnly Attribute. HPE has provided a firmware update to resolve the vulnerability in HPE Superdome Flex Servers.
Why it matters now
EPSS 0.0055 46th 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 |
|---|---|---|---|---|---|
| — | HPE Superdome Flex Server | Prior to Version 3.40.106 | — | No fix listed | CNA |
- HPE Superdome Flex Server Vendor— Affected Prior to Version 3.40.106 Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:hpe:superdome_flex_firmware:*:*:*:*:*:*:*:* | before 3.40.106 | Vulnerable | Hewlett Packard Enterprise (HPE) |
| cpe:2.3:h:hpe:superdome_flex:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Hewlett Packard Enterprise (HPE) |
| cpe:2.3:o:hpe:superdome_flex_280_firmware:*:*:*:*:*:*:*:* | before 3.40.106 | Vulnerable | Hewlett Packard Enterprise (HPE) |
| cpe:2.3:h:hpe:superdome_flex_280:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Hewlett Packard Enterprise (HPE) |
- cpe:2.3:o:hpe:superdome_flex_firmware:*:*:*:*:*:*:*:* Versions before 3.40.106 Vulnerable ·Hewlett Packard Enterprise (HPE)
- cpe:2.3:h:hpe:superdome_flex:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Hewlett Packard Enterprise (HPE)
- cpe:2.3:o:hpe:superdome_flex_280_firmware:*:*:*:*:*:*:*:* Versions before 3.40.106 Vulnerable ·Hewlett Packard Enterprise (HPE)
- cpe:2.3:h:hpe:superdome_flex_280:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Hewlett Packard Enterprise (HPE)
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-26589
- 2026-10-03 Alias added: GHSA-f33r-fh9w-f296
References
More Hewlett Packard Enterprise (HPE) Superdome Flex 280 Firmware vulnerabilities
- TI-2022-17664 Injection in Hewlett Packard Enterprise (HPE) HPE Superdome Flex Server; HPE Superdome… CVSS 3.1HIGH 7.8
Sources
- CVE-2021-26589 · CVE Program
- CVE-2021-26589 · NVD
- FIRST EPSS
- GHSA-f33r-fh9w-f296 · 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