PT-2021-6902 · Cisco · Cisco Ip Phone

Jay Lv · Published 2021-10-06 · Updated 2021-10-14 · CVE-2021-34711

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Cisco IP Phone software (affected versions not specified)

Description A vulnerability in the debug shell of Cisco IP Phone software could allow an authenticated, local attacker to read any file on the device file system. This issue is due to insufficient input validation. An attacker could exploit this vulnerability by providing crafted input to a debug shell command. A successful exploit could allow the attacker to read any file on the device file system.

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

Path traversal

Weakness Enumeration

CWE-22

CWE-36

Related Identifiers

BDU:2022-02498

CVE-2021-34711

Affected Products

Cisco Ip Phone

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2021-34711 · Security Note
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ipphone-arbfileread-NPdtE2Ow · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-02498 · Security Note
• https://osv.dev/vulnerability/CVE-2021-34711 · Vendor Advisory
• https://t.me/cibsecurity/30124 · Telegram Post
• https://t.me/cvenotify/22011 · Telegram Post