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CVE-2024-27453

Extremenetworks Extremexos privilege escalation

8.6 HIGHPublic exploitEPSS 0.73%
  1. Published3 May 2024

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).

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityLow
AvailabilityLow
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L

Affected products

Extremenetworks Extremexos< 22.7

Remediation

Fixed in
Extremenetworks Extremexos≥ 22.7

References

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Frequently asked

Is CVE-2024-27453 being actively exploited?

CVE-2024-27453 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.73%.

How severe is CVE-2024-27453?

CVE-2024-27453 has a CVSS 3.1 base score of 8.6, rated high. EPSS estimates a 0.73% probability of exploitation.

Which products are affected by CVE-2024-27453?

Affected products include Extremenetworks Extremexos.

How do I fix CVE-2024-27453?

Upgrade affected software to a fixed version, for example Extremenetworks Extremexos 22.7 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2024-27453 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.