How severe is CVE-2009-0058?

CVE-2009-0058 has a CVSS 2.0 base score of 6.1, rated medium severity.

Is CVE-2009-0058 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-0058?

CVE-2009-0058 primarily affects Cisco 4400 Wireless Lan Controller. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-0058?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2009-0058 published?

CVE-2009-0058 was published on 2009-02-05 and last updated on 2026-06-16.

CVE-2009-0058

CVE-2009-0058 is a medium-severity vulnerability in Cisco 4400 Wireless Lan Controller with a CVSS 2.0 base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 2.0 base score 6.1)
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Cisco 4400 Wireless Lan Controller
Published: 2009-02-05
Last modified: 2026-06-16

Description

The Cisco Wireless LAN Controller (WLC), Cisco Catalyst 6500 Wireless Services Module (WiSM), and Cisco Catalyst 3750 Integrated Wireless LAN Controller with software 4.x before 4.2.176.0 and 5.x before 5.2 allow remote attackers to cause a denial of service (web authentication outage or device reload) via unspecified network traffic, as demonstrated by a vulnerability scanner.

Frequently asked questions

What is CVE-2009-0058?: The Cisco Wireless LAN Controller (WLC), Cisco Catalyst 6500 Wireless Services Module (WiSM), and Cisco Catalyst 3750 Integrated Wireless LAN Controller with software 4.x before 4.2.176.0 and 5.x before 5.2 allow remote attackers to cause a denial of service (web authentication outage or device reload) via unspecified network traffic, as demonstrated by a vulnerability scanner.
How severe is CVE-2009-0058?: CVE-2009-0058 has a CVSS 2.0 base score of 6.1, rated medium severity.
Is CVE-2009-0058 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-0058?: CVE-2009-0058 primarily affects Cisco 4400 Wireless Lan Controller. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-0058?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-0058 published?: CVE-2009-0058 was published on 2009-02-05 and last updated on 2026-06-16.

References

Affected products (15)

cpe:2.3:h:cisco:4400_wireless_lan_controller:4.1:*:*:*:*:*:*:*
cpe:2.3:h:cisco:4400_wireless_lan_controller:4.2:*:*:*:*:*:*:*
cpe:2.3:h:cisco:4400_wireless_lan_controller:5.2:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_3750_series_integrated_wireless_lan_controller:4.1:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_3750_series_integrated_wireless_lan_controller:4.2:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_3750_series_integrated_wireless_lan_controller:5.2:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_6500_series_integrated_wireless_lan_controller:4.1:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_6500_series_integrated_wireless_lan_controller:4.2:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_6500_series_integrated_wireless_lan_controller:5.2:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_7600_series_wireless_lan_controller:4.1:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_7600_series_wireless_lan_controller:4.2:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_7600_series_wireless_lan_controller:5.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:wireless_lan_controller_software:4.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:wireless_lan_controller_software:4.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:wireless_lan_controller_software:5.2:*:*:*:*:*:*:*

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