Paper/Archive/CVE-2023-20126

CVE-2023-20126

Cisco Cisco Small Business IP Phones — Cisco SPA112 2-Port Phone Adapters Remote Command Execution Vulnerability

CVSS 9.8 (NVD, CNA agree)9.8 / 10 × 3029.4 Not in CISA KEV+300.0 EPSS percentile 98.5.985 × 2019.7 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

A vulnerability in the web-based management interface of Cisco SPA112 2-Port Phone Adapters could allow an unauthenticated, remote attacker to execute arbitrary code on an affected device. This vulnerability is due to a missing authentication process within the firmware upgrade function. An attacker could exploit this vulnerability by upgrading an affected device to a crafted version of firmware. A successful exploit could allow the attacker to execute arbitrary code on the affected device with full privileges. Cisco has not released firmware updates to address this vulnerability.

Affected

ProductAffectedFixed inSource

Cisco Small Business IP Phonesn/a–CNA

Scores by source

cisco (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

advisorysec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-spa-unauth-upgrade-UqhyTWW