Overview
- Description
- Skype for Business in Microsoft Lync 2013 SP1 and Skype for Business 2016 allows an attacker to steal an authentication hash that can be reused elsewhere, due to how Skype for Business handles authentication requests, aka "Skype for Business Elevation of Privilege Vulnerability."
- Source
- secure@microsoft.com
- NVD status
- Analyzed
Risk scores
CVSS 3.0
- Type
- Primary
- Base score
- 8.8
- Impact score
- 5.9
- Exploitability score
- 2.8
- Vector string
- CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Severity
- HIGH
CVSS 2.0
- Type
- Primary
- Base score
- 9.3
- Impact score
- 10
- Exploitability score
- 8.6
- Vector string
- AV:N/AC:M/Au:N/C:C/I:C/A:C
Weaknesses
- nvd@nist.gov
- CWE-294
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:microsoft:lync:2013:sp1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "8B854E18-7CB0-43F7-9EBF-E356FA176B2F"
},
{
"criteria": "cpe:2.3:a:microsoft:skype_for_business:2016:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "D499807D-91F3-447D-B9F0-D612898C9339"
}
],
"operator": "OR"
}
]
}
]