CVE-2021-26589
6.1 · MEDIUMOverview
CVE-2021-26589 is a medium-severity vulnerability affecting hpe superdome_flex_firmware. It was published on October 19, 2021 and has a CVSS 3.1 base score of 6.1 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 6.1, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
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.
Remediation
Check the references section for vendor advisories and patches from hpe. Update superdome_flex_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| hpe | superdome_flex_firmware | >= 0, < 3.40.106 | Affected |
| hpe | superdome_flex_280_firmware | >= 0, < 3.40.106 | Affected |
Frequently Asked Questions
What is CVE-2021-26589?
CVE-2021-26589 is a medium-severity vulnerability affecting hpe superdome_flex_firmware. It was published on October 19, 2021 and has a CVSS 3.1 base score of 6.1 (MEDIUM).
How severe is CVE-2021-26589?
This vulnerability has a CVSS 3.1 base score of 6.1, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2021-26589?
Check the references section for vendor advisories and patches from hpe. Update superdome_flex_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-26589?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-26589 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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