How severe is CVE-2026-23820?

CVE-2026-23820 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-23820 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-23820?

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.

Does CVE-2026-23820 have an EU (EUVD) identifier?

Yes. CVE-2026-23820 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29736.

When was CVE-2026-23820 published?

CVE-2026-23820 was published on 2026-05-12 and last updated on 2026-06-17.

CVE-2026-23820

CVE-2026-23820 is a high-severity vulnerability with a CVSS 3.x base score of 7.2. 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-78.

Key facts

Severity: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-29736
Weakness: CWE-78
Published: 2026-05-12
Last modified: 2026-06-17

Description

A vulnerability in the command line interface of Access Points running AOS-10 and AOS-8 Instant could allow an authenticated remote attacker to execute system commands in a restricted shell environment. Successful exploitation could allow an attacker to execute arbitrary commands on the underlying operating system.

Frequently asked questions

What is CVE-2026-23820?: A vulnerability in the command line interface of Access Points running AOS-10 and AOS-8 Instant could allow an authenticated remote attacker to execute system commands in a restricted shell environment. Successful exploitation could allow an attacker to execute arbitrary commands on the underlying operating system.
How severe is CVE-2026-23820?: CVE-2026-23820 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-23820 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-23820?: 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.
Does CVE-2026-23820 have an EU (EUVD) identifier?: Yes. CVE-2026-23820 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29736.
When was CVE-2026-23820 published?: CVE-2026-23820 was published on 2026-05-12 and last updated on 2026-06-17.

References

https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05049en_us&docLocale=en_US

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