How severe is CVE-2021-26996?

CVE-2021-26996 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-26996 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-26996?

CVE-2021-26996 affects Netapp E-series Santricity Os Controller. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-26996?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-26996 published?

CVE-2021-26996 was published on 2021-06-11 and last updated on 2026-06-17.

CVE-2021-26996

CVE-2021-26996 is a high-severity vulnerability in Netapp E-series Santricity Os Controller with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Netapp E-series Santricity Os Controller
Published: 2021-06-11
Last modified: 2026-06-17

Description

E-Series SANtricity OS Controller Software 11.x versions prior to 11.70.1 are susceptible to a vulnerability which when successfully exploited could allow a remote attacker to discover system configuration and application information which may aid in crafting more complex attacks.

Frequently asked questions

What is CVE-2021-26996?: E-Series SANtricity OS Controller Software 11.x versions prior to 11.70.1 are susceptible to a vulnerability which when successfully exploited could allow a remote attacker to discover system configuration and application information which may aid in crafting more complex attacks.
How severe is CVE-2021-26996?: CVE-2021-26996 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-26996 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-26996?: CVE-2021-26996 affects Netapp E-series Santricity Os Controller. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-26996?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-26996 published?: CVE-2021-26996 was published on 2021-06-11 and last updated on 2026-06-17.

References

https://security.netapp.com/advisory/NTAP-20210610-0003

Affected products (1)

cpe:2.3:a:netapp:e-series_santricity_os_controller:*:*:*:*:*:*:*:*

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