TI-2024-18270 Aliases CVE-2024-27453 GHSA-3jmm-qp9w-h326

In Extreme XOS through 22.6.1.4, a read-only user can escalate privileges to root via a…

MEDIUM 40CWE-266Published 2024-05-03 · Updated 2024-08-02

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Privilege escalation
Confidentiality · integrity · availability: High · Low · Low
Fix status: No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-266.

Summary

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).

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00726 54th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:o:extremenetworks:extremexos::::::::	before 22.7	Vulnerable	Extreme Networks

cpe:2.3:o:extremenetworks:extremexos:*:*:*:*:*:*:*:* Versions before 22.7 Vulnerable ·Extreme Networks

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2024-27453
2026-10-03 Alias added: GHSA-3jmm-qp9w-h326

References

Exploit 1

https://www.exsiliumsecurity.com/CVE-2024-27453.html

Advisory 1

https://extreme-networks.my.site.com/ExtrArticleDetail?an=000118266

TI-2020-13364 Extreme Networks EXOS before v.22.7 and before v.30.2 was discovered to contain an issue… CVSS 3.1HIGH 8.0
TI-2017-10452 Extreme EXOS 15.7, 16.x, 21.x, and 22.x allows remote attackers to hijack sessions by determining SessionID values. CVSS 3.0HIGH 8.1
TI-2017-10448 Extreme EXOS 15.7, 16.x, 21.x, and 22.x allows remote attackers to trigger a buffer overflow leading to a reboot. CVSS 3.1HIGH 7.5
TI-2017-10451 Extreme EXOS 16.x, 21.x, and 22.x allows administrators to bypass the "exsh restricted… CVSS 3.0MEDIUM 6.7
TI-2017-10450 Extreme EXOS 16.x, 21.x, and 22.x allows administrators to obtain a root shell via… CVSS 3.0MEDIUM 6.7
TI-2017-10449 Extreme EXOS 16.x, 21.x, and 22.x allows administrators to obtain a root shell via… CVSS 3.0MEDIUM 6.7

See all 7 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences