Cisco Wireless LAN Controller Software Control and Provisioning of Wireless Access Points Protocol Information Disclosure Vulnerability
Published Oct 17, 2018
7.5
HIGHCVSS 3.1
EPSS 3.35%
Description
A vulnerability in the Control and Provisioning of Wireless Access Points (CAPWAP) protocol component of Cisco Wireless LAN Controller (WLC) Software could allow an unauthenticated, remote attacker to retrieve memory contents, which could lead to the disclosure of confidential information. The vulnerability is due to insufficient condition checks in the part of the code that handles CAPWAP keepalive requests. An attacker could exploit this vulnerability by sending a crafted CAPWAP keepalive packet to a vulnerable Cisco WLC device. A successful exploit could allow the attacker to retrieve the contents of device memory, which could lead to the disclosure of confidential information.
Affected products
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||
|---|---|---|---|---|---|---|
| Cisco | Cisco Wireless LAN Controller (WLC) | n/a |
|
Configuration 1
- < 8.2.170.0
Configuration 2
- ≥ 8.3 · < 8.3.140.0
- ≥ 8.4 · < 8.5.110.0
- ≥ 8.6 · < 8.6.101.0
- ≥ 8.7 · < 8.7.102.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
AV:N/AC:L/Au:N/C:P/I:N/A:N
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
YesTechnical Impact
PartialDecision
n/aAssessed Nov 25, 2024 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (20 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.35% (0.03345) | 88.27th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.35% (0.03345) | 87.06th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.81% (0.01814) | 81.22th | v4 (v2025.03.14) |
| Mar 29, 2025 | 3.30% (0.03300) | 78.51th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.12% (0.00122) | 47.08th | v3 (v2023.03.01) |
| Jun 5, 2024 | 0.12% (0.00122) | 45.19th | v3 (v2023.03.01) |
| Apr 18, 2024 | 0.23% (0.00227) | 60.55th | v3 (v2023.03.01) |
| Mar 9, 2024 | 0.25% (0.00249) | 64.17th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.27% (0.00266) | 66.69th | v3 (v2023.03.01) |
| Oct 11, 2023 | 0.27% (0.00270) | 64.10th | v3 (v2023.03.01) |
| Jul 8, 2023 | 0.31% (0.00309) | 65.82th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.27% (0.00271) | 62.75th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Oct 18, 2022 | 1.14% (0.01136) | 58.28th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.14% (0.01136) | 56.27th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.14% (0.01136) | 34.23th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.05% (0.01046) | 28.66th | v1 |
| Jan 6, 2022 | 1.05% (0.01046) | 28.03th | v1 |
| Sep 1, 2021 | 1.05% (0.01046) | 65.02th | v1 |
| Apr 14, 2021 | 1.05% (0.01046) | 0.00th | v1 |
References (3)
- http://www.securityfocus.com/bid/105664 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1041923 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-wlc-capwap-memory-leak vendor-advisoryx_refsource_CISCOVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/105664 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1041923 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-wlc-capwap-memory-leak | vendor-advisoryx_refsource_CISCOVendor Advisory |
Change history (0)
No recorded changes yet.