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CVE-2019-1800

23
FAUCET Score

CVE-2019-1800 describes a denial-of-service vulnerability in Cisco Wireless LAN Controller (WLC) Software, affecting versions prior to 8.2.170.0, 8.5.150.0, and 8.8.100.0. An unauthenticated, adjacent attacker can exploit improper input validation in Inter-Access Point Protocol (IAPP) messages to cause the WLC to reload. This vulnerability has a CVSS score of 6.5 (Medium), indicating a low attack complexity and high impact on availability. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 8.2.170.0CPE matchmatch criteria
cpe:2.3:a:cisco:wireless_lan_controller:*:*:*:*:*:*:*:*
>= 8.3, < 8.5.150.0CPE matchmatch criteria
cpe:2.3:o:cisco:wireless_lan_controller_software:*:*:*:*:*:*:*:*
>= 8.6, < 8.8.100.0CPE matchmatch criteria
cpe:2.3:o:cisco:wireless_lan_controller_software:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.4HIGH

CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
4.0
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.52%
Probability of exploitation in next 30 days
EPSS Percentile
41.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0052 is in the 63rd percentile among its peer group of 1,802 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

ciscovendor investigatingvia nvd_reference
View patch

References

tools.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-20190417-wlc-iapp
Vendor Advisory
securityfocus.com / bid/108008
Third Party AdvisoryVDB Entry