Vulnerability in Microsoft Lync Server
CVE-2019-1029
A denial of service vulnerability exists in Skype for Business. An attacker who successfully exploited the vulnerability could cause Skype for Business to stop responding. Note that the denial of service would not allow an attacker to execute code or to elevate the attacker's user rights. To exploit the vulnerability, an attacker needs to obtain a dial-in link for a vulnerable server and then initiates a series of calls within a short amount of time. The update addresses the vulnerability by correcting the way that Skype for Business server handles objects in memory.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.053 (92.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 92.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.059 · newest: 0.053 · change: -0.006
Affected products
- Microsoft Lync Server — versions 2010, 2013
- Microsoft Lync Server 2010 — versions 0
- Microsoft Lync Server 2013 — versions 0
References
- msrc.microsoft.com/update-guide/vulnerability/CVE-2019-1029 (vendor-advisory)
- af854a3a-2127-422b-91ae-364da2661108 (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2019-1029?
- CVE-2019-1029 is a medium-severity vulnerability in Microsoft Lync Server. CVSS score: 5.9/10. Published 2019-06-12.
- How severe is CVE-2019-1029?
- Medium severity. CVSS v3 base score is 5.9 out of 10.