CVE-2009-2976
Cisco Aironet Lightweight Access Point (AP) devices send the contents of certain multicast data...
Cisco Aironet Lightweight Access Point (AP) devices send the contents of certain multicast data frames in cleartext, which allows remote attackers to discover Wireless LAN Controller MAC addresses and IP addresses, and AP configuration details, by sniffing the wireless network.
Exploit likelihood
What each source reports
NVD Score used
7.8
Cisco Aironet Lightweight Access Point (AP) devices send the contents of certain multicast data frames in cleartext, which allows remote attackers to discover Wireless LAN Controller MAC addresses and IP addresses, and AP configuration details, by sniffing the wireless network.
- Record
CVE-2009-2976- CVSS 2.0
- 7.8 High
AV:N/AC:L/Au:N/C:C/I:N/A:N - Weakness
- CWE-310
- Updated
- 2026-11-02
CVE List No score
Cisco Aironet Lightweight Access Point (AP) devices send the contents of certain multicast data frames in cleartext, which allows remote attackers to discover Wireless LAN Controller MAC addresses and IP addresses, and AP configuration details, by sniffing the wireless network.
- Record
CVE-2009-2976- Updated
- 2026-11-02
EUVDEUVD-2009-2961 No score
Cisco Aironet Lightweight Access Point (AP) devices send the contents of certain multicast data frames in cleartext, which allows remote attackers to discover Wireless LAN Controller MAC addresses and IP addresses, and AP configuration details, by sniffing the wireless network.
- Record
EUVD-2009-2961- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-v58x-whgv-c2w3 No score
Cisco Aironet Lightweight Access Point (AP) devices send the contents of certain multicast data...
Cisco Aironet Lightweight Access Point (AP) devices send the contents of certain multicast data frames in cleartext, which allows remote attackers to discover Wireless LAN Controller MAC addresses and IP addresses, and AP configuration details, by sniffing the wireless network.
- Record
GHSA-v58x-whgv-c2w3- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2009-2976 is a high vulnerability (CVSS 7.8) in Cisco Aironet Ap1100, published August 27, 2009. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.41%, the 72nd percentile. No source names a fixed version.