How severe is CVE-2024-27453?

CVE-2024-27453 has a CVSS 3.x base score of 8.6, 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 low, and availability low.

Is CVE-2024-27453 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-27453?

CVE-2024-27453 affects Extremenetworks Extremexos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-27453?

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-2024-27453 have an EU (EUVD) identifier?

Yes. CVE-2024-27453 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-24653.

When was CVE-2024-27453 published?

CVE-2024-27453 was published on 2024-05-03 and last updated on 2026-06-17.

CVE-2024-27453

CVE-2024-27453 is a high-severity vulnerability in Extremenetworks Extremexos with a CVSS 3.x base score of 8.6. 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-266.

Key facts

Severity: High (CVSS 3.x base score 8.6)
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-24653
Weakness: CWE-266
Affected product: Extremenetworks Extremexos
Published: 2024-05-03
Last modified: 2026-06-17

Description

In Extreme XOS through 22.6.1.4, a read-only user can escalate privileges to root via a crafted HTTP POST request to the python method of the Machine-to-Machine Interface (MMI).

Frequently asked questions

What is CVE-2024-27453?: In Extreme XOS through 22.6.1.4, a read-only user can escalate privileges to root via a crafted HTTP POST request to the python method of the Machine-to-Machine Interface (MMI).
How severe is CVE-2024-27453?: CVE-2024-27453 has a CVSS 3.x base score of 8.6, 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 low, and availability low.
Is CVE-2024-27453 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-27453?: CVE-2024-27453 affects Extremenetworks Extremexos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-27453?: 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-2024-27453 have an EU (EUVD) identifier?: Yes. CVE-2024-27453 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-24653.
When was CVE-2024-27453 published?: CVE-2024-27453 was published on 2024-05-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:extremenetworks:extremexos:*:*:*:*:*:*:*:*

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