Description

Skype for Business allows an unauthenticated attacker to send arbitrary requests to perform lookups on the internal network which is otherwise not accessible externally. An attacker may use this feature to perform SSRF (server-side request forgery) attacks on the server.

Remediation

Upgrade to the latest version of Skype for Business

References

Skype for Business Audit Part 2 - SKYPErimeterleak

Skype for Business Elevation of Privilege Vulnerability

Related Vulnerabilities

Apache HTTP Server Other Vulnerability (CVE-2001-1449)

Chamilo Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') Vulnerability (CVE-2018-20329)

Contao Key Management Errors Vulnerability (CVE-2019-10643)

Magento CVE-2020-9579 Vulnerability (CVE-2020-9579)

PHP Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') Vulnerability (CVE-2024-4577)

Severity

High

Classification

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:L/SA:L

Tags

Acumonitor SSRF Known Vulnerabilities CWE-918 CVE-2023-41763