CVE-2019-0798 — MEDIUM (6.1)

Vulnerability Description

A spoofing vulnerability exists when a Lync Server or Skype for Business Server does not properly sanitize a specially crafted request, aka 'Skype for Business and Lync Spoofing Vulnerability'.

CVSS Score

6.1

MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Microsoft	Lync Server	2013
Microsoft	Skype For Business Server	2015

Related Weaknesses (CWE)

CWE-79

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0798PatchVendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0798PatchVendor Advisory

FAQ

What is CVE-2019-0798?

CVE-2019-0798 is a vulnerability with a CVSS score of 6.1 (MEDIUM). A spoofing vulnerability exists when a Lync Server or Skype for Business Server does not properly sanitize a specially crafted request, aka 'Skype for Business and Lync Spoofing Vulnerability'.

How severe is CVE-2019-0798?

CVE-2019-0798 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2019-0798?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Lync Server, Microsoft Skype For Business Server.