How severe is CVE-2009-2861?

CVE-2009-2861 has a CVSS 2.0 base score of 7.3, rated high severity.

Is CVE-2009-2861 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-2861?

CVE-2009-2861 primarily affects Cisco Aironet Ap1100. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-2861?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2009-2861 published?

CVE-2009-2861 was published on 2009-08-27 and last updated on 2026-06-16.

CVE-2009-2861

CVE-2009-2861 is a high-severity vulnerability in Cisco Aironet Ap1100 with a CVSS 2.0 base score of 7.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.3)
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Cisco Aironet Ap1100
Published: 2009-08-27
Last modified: 2026-06-16

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.

Frequently asked questions

What is CVE-2009-2861?: 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.
How severe is CVE-2009-2861?: CVE-2009-2861 has a CVSS 2.0 base score of 7.3, rated high severity.
Is CVE-2009-2861 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-2861?: CVE-2009-2861 primarily affects Cisco Aironet Ap1100. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-2861?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2009-2861 published?: CVE-2009-2861 was published on 2009-08-27 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:h:cisco:aironet_ap1100:*:*:*:*:*:*:*:*
cpe:2.3:h:cisco:aironet_ap1200:*:*:*:*:*:*:*:*

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