How severe is CVE-2021-27004?

CVE-2021-27004 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-27004 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-27004?

CVE-2021-27004 primarily affects Netapp Ontap System Manager. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-27004?

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

When was CVE-2021-27004 published?

CVE-2021-27004 was published on 2021-11-01 and last updated on 2026-06-17.

CVE-2021-27004

CVE-2021-27004 is a medium-severity vulnerability in Netapp Ontap System Manager with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 1.7
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Netapp Ontap System Manager
Published: 2021-11-01
Last modified: 2026-06-17

Description

System Manager 9.x versions 9.7 and higher prior to 9.7P16, 9.8P7 and 9.9.1P2 are susceptible to a vulnerability which could allow a local attacker to discover plaintext iSCSI CHAP credentials.

Frequently asked questions

What is CVE-2021-27004?: System Manager 9.x versions 9.7 and higher prior to 9.7P16, 9.8P7 and 9.9.1P2 are susceptible to a vulnerability which could allow a local attacker to discover plaintext iSCSI CHAP credentials.
How severe is CVE-2021-27004?: CVE-2021-27004 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-27004 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-27004?: CVE-2021-27004 primarily affects Netapp Ontap System Manager. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-27004?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-27004 published?: CVE-2021-27004 was published on 2021-11-01 and last updated on 2026-06-17.

References

https://security.netapp.com/advisory/NTAP-20211029-0001/

Affected products (4)

cpe:2.3:a:netapp:ontap_system_manager:*:*:*:*:*:*:*:*
cpe:2.3:a:netapp:ontap_system_manager:9.7:-:*:*:*:*:*:*
cpe:2.3:a:netapp:ontap_system_manager:9.8:-:*:*:*:*:*:*
cpe:2.3:a:netapp:ontap_system_manager:9.9.12:-:*:*:*:*:*:*

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