CVE-2013-1235
CVE-2013-1235 is a medium-severity vulnerability in Cisco 2000 Wireless Lan Controller with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Medium (CVSS 2.0 base score 5.0)
- EPSS exploit prediction: 1% (65th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Cisco 2000 Wireless Lan Controller
- Published:
- Last modified:
Description
Cisco Wireless LAN Controller (WLC) devices do not properly address the resource consumption of terminated TELNET sessions, which allows remote attackers to cause a denial of service (TELNET outage) by making many TELNET connections and improperly ending these connections, aka Bug ID CSCug35507.
Frequently asked questions
- What is CVE-2013-1235?
- Cisco Wireless LAN Controller (WLC) devices do not properly address the resource consumption of terminated TELNET sessions, which allows remote attackers to cause a denial of service (TELNET outage) by making many TELNET connections and improperly ending these connections, aka Bug ID CSCug35507.
- How severe is CVE-2013-1235?
- CVE-2013-1235 has a CVSS 2.0 base score of 5.0, rated medium severity.
- Is CVE-2013-1235 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2013-1235?
- CVE-2013-1235 primarily affects Cisco 2000 Wireless Lan Controller. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2013-1235?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2013-1235 published?
- CVE-2013-1235 was published on 2013-05-04 and last updated on 2026-06-16.
References
Affected products (16)
- cpe:2.3:h:cisco:2000_wireless_lan_controller:*:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:2100_wireless_lan_controller:*:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:2106_wireless_lan_controller:-:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:2112_wireless_lan_controller:-:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:2125_wireless_lan_controller:-:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:2500_wireless_lan_controller:-:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:2504_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:4402_wireless_lan_controller:*:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:4404_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:-:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:airespace_4000_wireless_lan_controller:*:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:wireless_lan_controller:*:*:*:*:*:*:*:*
More vulnerabilities in Cisco 2000 Wireless Lan Controller
- CVE-2012-0371 — Critical (CVSS 9.3): Cisco Wireless LAN Controller (WLC) devices with software 4.x, 5.x, 6.0, and 7.0 before 7.0.220.4, when CPU-based ACLs…
- CVE-2013-1105 — Critical (CVSS 9.0): Cisco Wireless LAN Controller (WLC) devices with software 7.0 before 7.0.235.3, 7.1 and 7.2 before 7.2.111.3, and 7.3…
- CVE-2013-1104 — Critical (CVSS 9.0): The HTTP Profiling functionality on Cisco Wireless LAN Controller (WLC) devices with software 7.3.101.0 allows remote…
- CVE-2013-1103 — High (CVSS 7.8): 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…
- CVE-2013-1102 — High (CVSS 7.8): The Wireless Intrusion Prevention System (wIPS) component on Cisco Wireless LAN Controller (WLC) devices with software…
- CVE-2012-0370 — High (CVSS 7.8): Cisco Wireless LAN Controller (WLC) devices with software 4.x, 5.x, 6.0, and 7.0 before 7.0.220.0 and 7.1 before…