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CVE-2022-20761

MEDIUMCVSS 6.5/10EPSS 0.35%

Last modified

CVE-2022-20761 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. A vulnerability in the integrated wireless access point (AP) packet processing of the Cisco 1000 Series Connected Grid Router (CGR1K) could allow an unauthenticated, adjacent attacker to cause a denial of service condition on an affected device. This vulnerability is due to insufficient input validation of received traffic. EPSS estimates a 0.35% chance of exploitation in the next 30 days.

Description

A vulnerability in the integrated wireless access point (AP) packet processing of the Cisco 1000 Series Connected Grid Router (CGR1K) could allow an unauthenticated, adjacent attacker to cause a denial of service condition on an affected device. This vulnerability is due to insufficient input validation of received traffic. An attacker could exploit this vulnerability by sending crafted traffic to an affected device. A successful exploit could allow the attacker to cause the integrated AP to stop processing traffic, resulting in a DoS condition. It may be necessary to manually reload the CGR1K to restore AP operation.

Metrics

CVSS 3.1
6.5/10

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

EPSS Probability
0.35%

27.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CiscoIos15.4\(1\)cg
CiscoIos15.4\(2\)cg
CiscoIos15.4\(3\)m
CiscoIos15.4\(3\)m1
CiscoIos15.4\(3\)m2
CiscoIos15.4\(3\)m3
CiscoIos15.4\(3\)m4
CiscoIos15.4\(3\)m5
CiscoIos15.4\(3\)m6
CiscoIos15.4\(3\)m6a
CiscoIos15.4\(3\)m7
CiscoIos15.4\(3\)m8
CiscoIos15.4\(3\)m9
CiscoIos15.4\(3\)m10
CiscoIos15.5\(1\)t
CiscoIos15.5\(1\)t2
CiscoIos15.5\(1\)t3
CiscoIos15.5\(1\)t4
CiscoIos15.5\(2\)t
CiscoIos15.5\(2\)t1
CiscoIos15.5\(2\)t2
CiscoIos15.5\(2\)t3
CiscoIos15.5\(2\)t4
CiscoIos15.5\(3\)m
CiscoIos15.5\(3\)m1
CiscoIos15.5\(3\)m2
CiscoIos15.5\(3\)m2a
CiscoIos15.5\(3\)m3
CiscoIos15.5\(3\)m4
CiscoIos15.5\(3\)m4a
CiscoIos15.5\(3\)m5
CiscoIos15.5\(3\)m6
CiscoIos15.5\(3\)m6a
CiscoIos15.5\(3\)m7
CiscoIos15.5\(3\)m8
CiscoIos15.5\(3\)m9
CiscoIos15.5\(3\)m10
CiscoIos15.6\(1\)t
CiscoIos15.6\(1\)t0a
CiscoIos15.6\(1\)t1
CiscoIos15.6\(1\)t2
CiscoIos15.6\(1\)t3
CiscoIos15.6\(2\)t
CiscoIos15.6\(2\)t1
CiscoIos15.6\(2\)t2
CiscoIos15.6\(2\)t3
CiscoIos15.6\(3\)m
CiscoIos15.6\(3\)m0a
CiscoIos15.6\(3\)m1
CiscoIos15.6\(3\)m1b

Showing 50 of 86 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2022-20761?
A vulnerability in the integrated wireless access point (AP) packet processing of the Cisco 1000 Series Connected Grid Router (CGR1K) could allow an unauthenticated, adjacent attacker to cause a denial of service condition on an affected device. This vulnerability is due to insufficient input validation of received traffic. An attacker could exploit this vulnerability by sending crafted traffic to an affected device. A successful exploit could allow the attacker to cause the integrated AP to stop processing traffic, resulting in a DoS condition. It may be necessary to manually reload the CGR1K to restore AP operation.
How severe is CVE-2022-20761?
CVE-2022-20761 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.35% probability of exploitation in the next 30 days.
How do I fix CVE-2022-20761?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-20761?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST