VDB-234208 · CVE-2023-35802 · EUVD-2023-39797

Extreme IQ Engine prior 10.6r1 CAPWAP Protocol buffer overflow

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.9	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Extreme IQ Engine. The impacted element is an unknown function of the component CAPWAP Protocol Handler. Executing a manipulation can lead to buffer overflow. This vulnerability appears as CVE-2023-35802. The attack may be performed from remote. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Extreme IQ Engine. This vulnerability affects some unknown functionality of the component CAPWAP Protocol Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

IQ Engine before 10.6r1 on Extreme Network AP devices has a Buffer Overflow in the implementation of the CAPWAP protocol that may be exploited to obtain elevated privileges to conduct remote code execution. Access to the internal management interface/subnet is required to conduct the exploit.

The weakness was presented 07/15/2023. The advisory is shared for download at extremeportal.force.com. This vulnerability was named CVE-2023-35802 since 06/17/2023. There are neither technical details nor an exploit publicly available.

Upgrading to version 10.6r1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-39797). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Extreme

Name

IQ Engine

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: IQ Engine 10.6r1

Timelineinfo

06/17/2023 🔍
07/15/2023 +28 days 🔍
07/15/2023 +0 days 🔍
01/10/2026 +910 days 🔍

Sourcesinfo

Advisory: extremeportal.force.com
Status: Confirmed

CVE: CVE-2023-35802 (🔍)
GCVE (CVE): GCVE-0-2023-35802
GCVE (VulDB): GCVE-100-234208
EUVD: 🔍

Entryinfo

Created: 07/15/2023 06:12
Updated: 01/10/2026 21:10
Changes: 07/15/2023 06:12 (39), 08/06/2023 08:17 (11), 01/10/2026 21:10 (16)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.