PT-2023-2832 · Cisco · Cisco Small Business Series Switches

Published 2023-05-17 · Updated 2023-05-26 · CVE-2023-20158

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 Small Business Series Switches (affected versions not specified)

Description The issue is related to improper validation of requests sent to the web interface, which could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition or execute arbitrary code with root privileges on an affected device. This is also due to a buffer overflow vulnerability related to the lack of input size validation.

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

Buffer Overflow

RCE

Weakness Enumeration

CWE-120

CWE-20

Related Identifiers

BDU:2023-02760

CVE-2023-20158

Affected Products

Cisco Small Business Series Switches

References · 7

• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sg-web-multi-S9g4Nkgv · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-02760 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-20158 · Security Note
• https://t.me/cibsecurity/64363 · Telegram Post
• https://cybersecurity-help.cz/vdb/SB2023051781 · Note
• https://t.me/cvenotify/50714 · Telegram Post
• https://t.me/cvenotify/51210 · Telegram Post