Microsoft Forefront Unified Access Gateway (UAG) 2010 Gold, Update 1, Update 2, and SP1 does not properly validate session cookies, which allows remote attackers to cause a denial of service (IIS outage) via unspecified network traffic, aka "Null Session Cookie Crash."
Published Oct 12, 2011
5.0
MEDIUMCVSS 2.0
EPSS 16.59%
Description
Microsoft Forefront Unified Access Gateway (UAG) 2010 Gold, Update 1, Update 2, and SP1 does not properly validate session cookies, which allows remote attackers to cause a denial of service (IIS outage) via unspecified network traffic, aka "Null Session Cookie Crash."
Affected products
No data.
- 2010
- 2010
- 2010
- 2010
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.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:P
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
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (17 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 16.59% (0.16588) | 96.92th | v5 (v2026.06.15) |
| Jun 15, 2026 | 16.59% (0.16588) | 96.60th | v5 (v2026.06.15) |
| Mar 30, 2025 | 19.03% (0.19033) | 94.84th | v4 (v2025.03.14) |
| Mar 29, 2025 | 24.51% (0.24514) | 93.73th | v4 (v2025.03.14) |
| Mar 19, 2025 | 19.03% (0.19033) | 94.60th | v4 (v2025.03.14) |
| Mar 18, 2025 | 14.94% (0.14944) | 94.08th | v4 (v2025.03.14) |
| Mar 17, 2025 | 19.03% (0.19033) | 94.85th | v4 (v2025.03.14) |
| Jan 25, 2025 | 5.67% (0.05667) | 93.27th | v3 (v2023.03.01) |
| Oct 28, 2024 | 8.73% (0.08729) | 94.69th | v3 (v2023.03.01) |
| Feb 18, 2024 | 11.85% (0.11848) | 95.14th | v3 (v2023.03.01) |
| Sep 6, 2023 | 15.85% (0.15852) | 95.25th | v3 (v2023.03.01) |
| Jul 10, 2023 | 20.83% (0.20833) | 95.72th | v3 (v2023.03.01) |
| May 11, 2023 | 63.19% (0.63185) | 97.30th | v3 (v2023.03.01) |
| Mar 8, 2023 | 69.61% (0.69607) | 97.40th | v3 (v2023.03.01) |
| Mar 7, 2023 | 93.99% (0.93994) | 98.60th | v3 (v2023.03.01) |
| Mar 6, 2023 | 29.80% (0.29797) | 97.49th | v2 (v2022.01.01) |
| Feb 4, 2022 | 29.80% (0.29797) | 96.29th | v2 (v2022.01.01) |
References (3)
- http://www.securityfocus.com/bid/49980 vdb-entryx_refsource_BID
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-079 vendor-advisoryx_refsource_MS
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12799 vdb-entrysignaturex_refsource_OVAL
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/49980 | vdb-entryx_refsource_BID | |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-079 | vendor-advisoryx_refsource_MS | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12799 | vdb-entrysignaturex_refsource_OVAL |
Change history (0)
No recorded changes yet.