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

IBM RTC Improper Input Validation Vulnerability (CVE-2015-1928)

Atlassian Confluence Incorrect Behavior Order: Validate Before Canonicalize Vulnerability (CVE-2022-26137)

Apache Tomcat CVE-2016-6794 Vulnerability (CVE-2016-6794)

MySQL CVE-2021-2193 Vulnerability (CVE-2021-2193)

Jenkins Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2014-3681)

Severity

High

Classification

CVE-2023-41763 CWE-918 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