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Vulnerability record · CVE-2009-2861 · published 27 August 2009

CVE-2009-2861: Cisco aironet ap1100 vulnerability

Cisco · Aironet Ap1100

The Over-the-Air Provisioning (OTAP) functionality on Cisco Aironet Lightweight Access Point 1100 and 1200 devices does not properly implement access-point association, which allows remote attackers to spoof a controller and cause a denial of service (service outage) via crafted remote radio management (RRM) packets, aka "SkyJack" or Bug ID CSCtb56664.

7.3 CVSS 2.0 High EPSS 1.0% · top 37.5%
7.3CVSS 2.0 base score
1.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
12References
16 Jun 2026Last modified by NVD

Description

The Over-the-Air Provisioning (OTAP) functionality on Cisco Aironet Lightweight Access Point 1100 and 1200 devices does not properly implement access-point association, which allows remote attackers to spoof a controller and cause a denial of service (service outage) via crafted remote radio management (RRM) packets, aka "SkyJack" or Bug ID CSCtb56664.

AV:A/AC:M/Au:N/C:N/I:C/A:C

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://securitytracker.com/id?1022774
http://tools.cisco.com/security/center/viewAlert.x?alertId=18919 PatchVendor Advisory
http://www.airmagnet.com/assets/AM_Technote_SkyJack_082509.pdf
http://www.airmagnet.com/news/press_releases/2009/08252009.php
http://www.securityfocus.com/bid/36145
http://www.vupen.com/english/advisories/2009/2419 Vendor Advisory
http://securitytracker.com/id?1022774
http://tools.cisco.com/security/center/viewAlert.x?alertId=18919 PatchVendor Advisory
http://www.airmagnet.com/assets/AM_Technote_SkyJack_082509.pdf
http://www.airmagnet.com/news/press_releases/2009/08252009.php
http://www.securityfocus.com/bid/36145
http://www.vupen.com/english/advisories/2009/2419 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.8CVE-2012-1350Cisco ios vulnerabilityCisco IOS 12.3 and 12.4 on Aironet access points allows remote attackers to cause a denial of service (radio-interface input-queue hang) via IAPP 0x3…EPSS 1.9%7.8CVE-2009-2976Cisco aironet ap1100 vulnerabilityCisco Aironet Lightweight Access Point (AP) devices send the contents of certain multicast data frames in cleartext, which allows remote attackers to…EPSS 1.4%5.5CVE-2006-0354Cisco aironet ap1100 vulnerabilityCisco IOS before 12.3-7-JA2 on Aironet Wireless Access Points (WAP) allows remote authenticated users to cause a denial of service (termination of pa…EPSS 10%5.0CVE-2005-3482Cisco aironet ap1131 vulnerabilityCisco 1200, 1131, and 1240 series Access Points, when operating in Lightweight Access Point Protocol (LWAPP) mode and controlled by 2000 and 4400 ser…EPSS 1.6%5.0CVE-2005-0356TCP PAWS timestamp handling allows remote connection lossMultiple TCP implementations that enable the timestamps option with Protection Against Wrapped Sequence Numbers (PAWS) can be forced to discard valid…EPSS 83%analysed

Source: NIST National Vulnerability Database (record CVE-2009-2861), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.