How severe is CVE-2021-26578?

CVE-2021-26578 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-2021-26578 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-26578?

CVE-2021-26578 affects Hpe Network Orchestrator. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-26578?

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-2021-26578 published?

CVE-2021-26578 was published on 2021-03-22 and last updated on 2026-06-17.

CVE-2021-26578

CVE-2021-26578 is a high-severity vulnerability in Hpe Network Orchestrator 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. The underlying weakness is classified as CWE-89.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Hpe Network Orchestrator
Published: 2021-03-22
Last modified: 2026-06-17

Description

A potential security vulnerability has been identified in HPE Network Orchestrator (NetO) version(s): Prior to 2.5. The vulnerability could be remotely exploited with SQL injection.

Frequently asked questions

What is CVE-2021-26578?: A potential security vulnerability has been identified in HPE Network Orchestrator (NetO) version(s): Prior to 2.5. The vulnerability could be remotely exploited with SQL injection.
How severe is CVE-2021-26578?: CVE-2021-26578 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-2021-26578 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-26578?: CVE-2021-26578 affects Hpe Network Orchestrator. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-26578?: 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-2021-26578 published?: CVE-2021-26578 was published on 2021-03-22 and last updated on 2026-06-17.

References

https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbgn04097en_us

Affected products (1)

cpe:2.3:a:hpe:network_orchestrator:*:*:*:*:*:*:*:*

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