ExtremeCloud IQ Site Engine up to 25.12.11 NAC Administration Interface insufficiently protected credentials

CVSS Meta Temp Score
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CTI Interest Score
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4.7$0-$5k0.00

Summaryinfo

A vulnerability was found in ExtremeCloud IQ Site Engine up to 25.12.11. It has been rated as problematic. This affects an unknown part of the component NAC Administration Interface. The manipulation leads to insufficiently protected credentials. This vulnerability is listed as CVE-2026-0689. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in ExtremeCloud IQ Site Engine up to 25.12.11. This issue affects an unknown function of the component NAC Administration Interface. The manipulation with an unknown input leads to a insufficiently protected credentials vulnerability. Using CWE to declare the problem leads to CWE-522. The product transmits or stores authentication credentials, but it uses an insecure method that is susceptible to unauthorized interception and/or retrieval. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

In ExtremeCloud IQ – Site Engine (XIQ‑SE) before 26.2.10, a vulnerability in the NAC administration interface allows an authenticated NAC administrator to retrieve masked sensitive parameters from HTTP responses. Although credentials appear redacted in the user interface, the application returns the underlying credential values in the HTTP response, enabling an authorized administrator to recover stored secrets that may exceed their intended access. We would like to thank the Lockheed Martin Red Team for responsibly reporting this issue and working with us through coordinated disclosure.

The weakness was presented with Lockheed Martin Red Team. It is possible to read the advisory at extreme-networks.my.site.com. The identification of this vulnerability is CVE-2026-0689 since 01/07/2026. The exploitation is known to be easy. The attack may be initiated remotely. Additional levels of successful authentication are necessary for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1552 according to MITRE ATT&CK.

Upgrading to version 26.2.10 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-9177). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.7

VulDB Base Score: 4.7
VulDB Temp Score: 4.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 4.9
NVD Vector: 🔒

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Insufficiently protected credentials
CWE: CWE-522
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Site Engine 26.2.10

Timelineinfo

01/07/2026 CVE reserved
03/02/2026 +54 days Advisory disclosed
03/02/2026 +0 days VulDB entry created
06/06/2026 +96 days VulDB entry last update

Sourcesinfo

Advisory: extreme-networks.my.site.com
Organization: Lockheed Martin Red Team
Status: Confirmed

CVE: CVE-2026-0689 (🔒)
GCVE (CVE): GCVE-0-2026-0689
GCVE (VulDB): GCVE-100-348383
EUVD: 🔒

Entryinfo

Created: 03/02/2026 16:47
Updated: 06/06/2026 19:13
Changes: 03/02/2026 16:47 (69), 03/02/2026 17:34 (1), 03/04/2026 08:18 (2), 06/06/2026 19:13 (12)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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