How severe is CVE-2021-26997?

CVE-2021-26997 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-26997 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-26997?

CVE-2021-26997 affects Netapp E-series Santricity Os Controller. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-26997?

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

When was CVE-2021-26997 published?

CVE-2021-26997 was published on 2021-06-11 and last updated on 2026-06-17.

CVE-2021-26997

CVE-2021-26997 is a medium-severity vulnerability in Netapp E-series Santricity Os Controller with a CVSS 3.x base score of 6.5. 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-209.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-209
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 information via error messaging which may aid in crafting more complex attacks.

Frequently asked questions

What is CVE-2021-26997?: 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 information via error messaging which may aid in crafting more complex attacks.
How severe is CVE-2021-26997?: CVE-2021-26997 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-26997 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-26997?: CVE-2021-26997 affects Netapp E-series Santricity Os Controller. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-26997?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-26997 published?: CVE-2021-26997 was published on 2021-06-11 and last updated on 2026-06-17.

References

https://security.netapp.com/advisory/NTAP-20210610-0004

Affected products (1)

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

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