How severe is CVE-2021-26582?

CVE-2021-26582 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-26582 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-26582?

CVE-2021-26582 primarily affects Hp Icewall Sso Dgfw. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-26582?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-26582 published?

CVE-2021-26582 was published on 2021-04-15 and last updated on 2026-06-17.

CVE-2021-26582

CVE-2021-26582 is a medium-severity vulnerability in Hp Icewall Sso Dgfw with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Hp Icewall Sso Dgfw
Published: 2021-04-15
Last modified: 2026-06-17

Description

A security vulnerability in HPE IceWall SSO Domain Gateway Option (Dgfw) module version 10.0 on RHEL 5/6/7, version 10.0 on HP-UX 11i v3, version 10.0 on Windows and 11.0 on Windows could be exploited remotely to allow cross-site scripting (XSS).

Frequently asked questions

What is CVE-2021-26582?: A security vulnerability in HPE IceWall SSO Domain Gateway Option (Dgfw) module version 10.0 on RHEL 5/6/7, version 10.0 on HP-UX 11i v3, version 10.0 on Windows and 11.0 on Windows could be exploited remotely to allow cross-site scripting (XSS).
How severe is CVE-2021-26582?: CVE-2021-26582 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-26582 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-26582?: CVE-2021-26582 primarily affects Hp Icewall Sso Dgfw. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-26582?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-26582 published?: CVE-2021-26582 was published on 2021-04-15 and last updated on 2026-06-17.

References

https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbgn04086en_us

Affected products (2)

cpe:2.3:a:hp:icewall_sso_dgfw:10.0:*:*:*:*:*:*:*
cpe:2.3:a:hp:icewall_sso_dgfw:11.0:*:*:*:*:*:*:*

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