PT-2023-2834 · Cisco · Cisco Small Business Series Switches

Published 2023-05-17 · Updated 2023-05-26 · CVE-2023-20157

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 multiple vulnerabilities in the web-based user interface of certain Cisco Small Business Series Switches. These vulnerabilities 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. The vulnerabilities are due to improper validation of requests sent to the web interface and also involve a buffer overflow in dynamic memory.

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

Buffer Overflow

Heap Based Buffer Overflow

Weakness Enumeration

CWE-120

CWE-122

Related Identifiers

BDU:2023-02762

CVE-2023-20157

Affected Products

Cisco Small Business Series Switches

References · 6

• https://bdu.fstec.ru/vul/2023-02762 · Security Note
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sg-web-multi-S9g4Nkgv · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-20157 · Security Note
• https://t.me/cvenotify/50715 · Telegram Post
• https://t.me/cvenotify/51208 · Telegram Post
• https://cybersecurity-help.cz/vdb/SB2023051781 · Note