Vulnerability Name:

CVE-2021-26589 (CCN-211755)

Assigned:2021-10-18
Published:2021-10-18
Updated:2022-07-12
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.
CVSS v3 Severity:6.1 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)
5.3 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
4.2 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:L)
3.7 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): None
Availibility (A): Low
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
3.6 Low (CCN CVSS v2 Vector: AV:N/AC:H/Au:S/C:P/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): High
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-732
Vulnerability Consequences:Cross-Site Scripting
References:Source: MITRE
Type: CNA
CVE-2021-26589

Source: XF
Type: UNKNOWN
hpe-cve202126589-xss(211755)

Source: CCN
Type: HPESBHF04199 rev.1
HPE Superdome Flex Server, Remote Cross Site scripting (XSS) vulnerability

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

Vulnerable Configuration:Configuration 1:
  • cpe:/o:hpe:superdome_flex_firmware:*:*:*:*:*:*:*:* (Version < 3.40.106)
  • AND
  • cpe:/h:hpe:superdome_flex:-:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/o:hpe:superdome_flex_280_firmware:*:*:*:*:*:*:*:* (Version < 3.40.106)
  • AND
  • cpe:/h:hpe:superdome_flex_280:-:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/o:hpe:superdome_flex_server_firmware:3.25.46:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    hpe superdome flex firmware *
    hpe superdome flex -
    hpe superdome flex 280 firmware *
    hpe superdome flex 280 -
    hpe superdome flex server firmware 3.25.46