PT-2021-7099 · Cisco · Cisco Ftd

Published 2021-11-02 · Updated 2022-05-13 · CVE-2022-20757

Positive Technologies (AI Summary)

CVSS v3.1

8.6

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Cisco Firepower Threat Defense (FTD) Software (affected versions not specified)

Description A vulnerability in the connection handling function could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This issue is due to improper traffic handling when platform limits are reached. An attacker could exploit this by sending a high rate of UDP traffic through an affected device, potentially causing all new, incoming connections to be dropped.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Allocation of Resources Without Limits

Weakness Enumeration

CWE-770

Related Identifiers

BDU:2022-03334

CVE-2022-20757

Affected Products

Cisco Ftd

References · 6

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-dos-JnnJm4wB · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-03334 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-20757 · Security Note
• https://osv.dev/vulnerability/CVE-2022-20757 · Vendor Advisory
• https://cybersecurity-help.cz/vdb/SB2022042812 · Note
• https://vuldb.com/?id.198873 · Note