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CVE-2022-20622

24
FAUCET Score

CVE-2022-20622 is a denial-of-service vulnerability affecting Cisco Embedded Wireless Controller with Catalyst Access Points Software, specifically in IP ingress packet processing. An unauthenticated, remote attacker can exploit improper rate limiting by sending a high volume of IP traffic to the management interface, causing the device to reload unexpectedly. This vulnerability has a CVSS score of 7.5 (High), indicating a network-based attack with low complexity and a high impact on availability. There is currently no public exploit code available (Metasploit, Nuclei, ExploitDB), and it is not known to be actively exploited. Community discussion and media coverage for this CVE are minimal.

Impacted Technologies

VendorProductVersion(s)CPE
>= 17.3, < 17.3.4CPE matchmatch criteria
cpe:2.3:a:cisco:aironet_access_point_software:*:*:*:*:*:*:*:*
>= 17.4, < 17.6.1CPE matchmatch criteria
cpe:2.3:a:cisco:aironet_access_point_software:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.6HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
4.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.33%
Probability of exploitation in next 30 days
EPSS Percentile
68.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0133 is in the 48th percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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-ap-ip-flood-dos-6hxxENVQ
Vendor Advisory