Denial of service in Cisco Embedded Wireless Controller Software for Catalyst Access Points



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-1615
CWE-ID N/A
Exploitation vector Network
Public exploit N/A
Vulnerable software
Cisco Embedded Wireless Controller Software for Catalyst Access Points
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor Cisco Systems, Inc

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Insufficient Resource Pool

EUVDB-ID: #VU56843

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-1615

CWE-ID: N/A

Exploit availability: No

Description

The vulnerability allows a remote attacker to cause a denial of service (DoS) condition.

The vulnerability exists due to insufficient buffer allocation in the packet processing functionality. A remote attacker can send a specially crafted traffic and cause a denial of service condition on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco Embedded Wireless Controller Software for Catalyst Access Points: before 16.12.6

CPE2.3 External links

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-ewc-dos-g6JruHRT


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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