CVE-2023-41763

Microsoft Skype for Business Privilege Escalation Vulnerability

Severity Score

5.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

Yes

*KEV

Decision

Act

*SSVC

Descriptions

Skype for Business Elevation of Privilege Vulnerability

Vulnerabilidad de elevación de privilegios en Skype Empresarial

Microsoft Skype for Business contains an unspecified vulnerability that allows for privilege escalation.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:Act

Exploitation

Active

Automatable

Yes

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2023-08-31 CVE Reserved
2023-10-10 CVE Published
2023-10-10 Exploited in Wild
2023-10-31 KEV Due Date
2025-01-01 CVE Updated
2025-03-30 EPSS Updated
---------- First Exploit

CWE

CWE-918: Server-Side Request Forgery (SSRF)

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-41763	2024-05-29

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Microsoft Search vendor "Microsoft"		Skype For Business Server Search vendor "Microsoft" for product "Skype For Business Server"				2015 Search vendor "Microsoft" for product "Skype For Business Server" and version "2015"		cumulative_update_13		Affected
Microsoft Search vendor "Microsoft"		Skype For Business Server Search vendor "Microsoft" for product "Skype For Business Server"				2019 Search vendor "Microsoft" for product "Skype For Business Server" and version "2019"		cumulative_update_7		Affected