Cisco Wireless LAN Controller AireOS denial of service
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.5 | $0-$5k | 0.00 |
Summary
A vulnerability marked as problematic has been reported in Cisco Wireless LAN Controller. Affected by this vulnerability is an unknown functionality of the component AireOS. The manipulation leads to denial of service. This vulnerability is listed as CVE-2023-20251. The attack must be carried out from within the local network. There is no available exploit. It is suggested to upgrade the affected component.
Details
A vulnerability was found in Cisco Wireless LAN Controller (Wireless LAN Software) (the affected version is unknown). It has been rated as problematic. This issue affects an unknown code of the component AireOS. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:
A vulnerability in the memory buffer of Cisco Wireless LAN Controller (WLC) AireOS Software could allow an unauthenticated, adjacent attacker to cause memory leaks that could eventually lead to a device reboot. This vulnerability is due to memory leaks caused by multiple clients connecting under specific conditions. An attacker could exploit this vulnerability by causing multiple wireless clients to attempt to connect to an access point (AP) on an affected device. A successful exploit could allow the attacker to cause the affected device to reboot after a significant amount of time, resulting in a denial of service (DoS) condition.
The weakness was presented 09/27/2023 as cisco-sa-cbw-dos-YSmbUqX3. The advisory is shared at sec.cloudapps.cisco.com. The identification of this vulnerability is CVE-2023-20251 since 10/27/2022. Neither technical details nor an exploit are publicly available.
Upgrading eliminates this vulnerability.
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Product
Type
Vendor
Name
License
Website
- Vendor: https://www.cisco.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.6VulDB Meta Temp Score: 5.5
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.3
NVD Vector: 🔍
CNA Base Score: 6.1
CNA Vector (Cisco Systems, Inc.): 🔍
CVSSv2
| 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: 🔍
Exploiting
Class: Denial of serviceCWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
10/27/2022 🔍09/27/2023 🔍
09/27/2023 🔍
10/21/2023 🔍
Sources
Vendor: cisco.comAdvisory: cisco-sa-cbw-dos-YSmbUqX3
Status: Confirmed
CVE: CVE-2023-20251 (🔍)
GCVE (CVE): GCVE-0-2023-20251
GCVE (VulDB): GCVE-100-240713
Entry
Created: 09/27/2023 21:48Updated: 10/21/2023 08:45
Changes: 09/27/2023 21:48 (50), 10/21/2023 08:45 (11)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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