CVE-2021-26589

6.1 mediumEPSS 0.5%

Medium (6.1) in hpe. EPSS 0.5% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

6.1 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 46% of CVEs (scores of 2026-10-31)
CWE: CWE-732
Published: 2021-10-19
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

hpe:superdome_flex_280_firmware
hpe:superdome_flex_firmware

References

https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf04199en_us
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf04199en_us

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