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'
Published Apr 9, 2019
6.1
MEDIUMCVSS 3.0
EPSS 2.08%
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'.
Affected products
-
- Version July 2018 UpdateStatusaffectedConstraints-
- Version
-
- Version March 2019 UpdateStatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Microsoft Lync Server 2013 | n/a |
| ||||||
| Microsoft | Skype for Business Server 2015 | n/a |
|
- 2013
- 2015
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
AV:N/AC:M/Au:N/C:N/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (25 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.08% (0.02084) | 80.87th | v5 (v2026.06.15) |
| Sep 22, 2026 | 2.08% (0.02084) | 80.73th | v5 (v2026.06.15) |
| Sep 21, 2026 | 3.21% (0.03209) | 87.61th | v5 (v2026.06.15) |
| Sep 6, 2026 | 2.08% (0.02084) | 80.32th | v5 (v2026.06.15) |
| Sep 5, 2026 | 3.21% (0.03209) | 87.34th | v5 (v2026.06.15) |
| Aug 30, 2026 | 2.08% (0.02084) | 80.23th | v5 (v2026.06.15) |
| Aug 28, 2026 | 3.21% (0.03209) | 87.26th | v5 (v2026.06.15) |
| Aug 24, 2026 | 2.08% (0.02084) | 80.11th | v5 (v2026.06.15) |
| Aug 23, 2026 | 3.21% (0.03209) | 87.21th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.08% (0.02084) | 79.05th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.57% (0.00571) | 66.72th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.14% (0.00143) | 51.65th | v3 (v2023.03.01) |
| Jun 21, 2024 | 0.14% (0.00143) | 50.35th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.14% (0.00143) | 48.33th | v3 (v2023.03.01) |
| Mar 6, 2023 | 4.46% (0.04457) | 88.29th | v2 (v2022.01.01) |
| Feb 19, 2023 | 4.46% (0.04457) | 87.92th | v2 (v2022.01.01) |
| Jan 13, 2023 | 3.79% (0.03793) | 85.01th | v2 (v2022.01.01) |
| Oct 3, 2022 | 3.44% (0.03442) | 84.10th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.87% (0.02868) | 81.49th | v2 (v2022.01.01) |
| Mar 17, 2022 | 16.06% (0.16065) | 92.80th | v2 (v2022.01.01) |
| Feb 4, 2022 | 17.53% (0.17530) | 93.28th | v2 (v2022.01.01) |
| Feb 3, 2022 | 17.64% (0.17642) | 92.83th | v1 |
| Jan 6, 2022 | 17.64% (0.17642) | 92.74th | v1 |
| Sep 1, 2021 | 4.56% (0.04557) | 86.26th | v1 |
| Apr 14, 2021 | 4.56% (0.04557) | 0.00th | v1 |
References (1)
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0798 x_refsource_CONFIRMPatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0798 | x_refsource_CONFIRMPatchVendor Advisory |
Change history (0)
No recorded changes yet.