How severe is CVE-2013-1103?

CVE-2013-1103 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2013-1103 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-1103?

CVE-2013-1103 primarily affects Cisco Wireless Lan Controller Software. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-1103?

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-2013-1103 published?

CVE-2013-1103 was published on 2013-01-24 and last updated on 2026-06-16.

CVE-2013-1103

CVE-2013-1103 is a high-severity vulnerability in Cisco Wireless Lan Controller Software with a CVSS 2.0 base score of 7.8. 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 7.8)
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Cisco Wireless Lan Controller Software
Published: 2013-01-24
Last modified: 2026-06-16

Description

Cisco Wireless LAN Controller (WLC) devices with software 7.0 before 7.0.220.0, 7.1 before 7.1.91.0, and 7.2 before 7.2.103.0 allow remote attackers to cause a denial of service (Access Point reload) via crafted SIP packets, aka Bug ID CSCts87659.

Frequently asked questions

What is CVE-2013-1103?: Cisco Wireless LAN Controller (WLC) devices with software 7.0 before 7.0.220.0, 7.1 before 7.1.91.0, and 7.2 before 7.2.103.0 allow remote attackers to cause a denial of service (Access Point reload) via crafted SIP packets, aka Bug ID CSCts87659.
How severe is CVE-2013-1103?: CVE-2013-1103 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2013-1103 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-1103?: CVE-2013-1103 primarily affects Cisco Wireless Lan Controller Software. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-1103?: 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-2013-1103 published?: CVE-2013-1103 was published on 2013-01-24 and last updated on 2026-06-16.

References

Affected products (13)

cpe:2.3:o:cisco:wireless_lan_controller_software:7.0:*:*:*:*:*:*:*
cpe:2.3:o:cisco:wireless_lan_controller_software:7.0.98.0:*:*:*:*:*:*:*
cpe:2.3:o:cisco:wireless_lan_controller_software:7.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:wireless_lan_controller_software:7.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:wireless_lan_controller_software:7.3:*:*:*:*:*:*:*
cpe:2.3:h:cisco:2000_wireless_lan_controller:*:*:*:*:*:*:*:*
cpe:2.3:h:cisco:2100_wireless_lan_controller:*:*:*:*:*:*:*:*
cpe:2.3:h:cisco:2500_wireless_lan_controller:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:4100_wireless_lan_controller:*:*:*:*:*:*:*:*
cpe:2.3:h:cisco:4400_wireless_lan_controller:*:*:*:*:*:*:*:*
cpe:2.3:h:cisco:5500_wireless_lan_controller:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:7500_wireless_lan_controller:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:8500_wireless_lan_controller:-:*:*:*:*:*:*:*

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