An improper authentication vulnerability can be exploited through a race condition that occurs in Ellucian Banner Web Tailor 8.8.3, 8.8.4, and 8.9 and Banner Enterprise Identity Services 8.3, 8.3.1, 8.3.2, and 8.4, in conjunction with SSO Manager
Published May 14, 2019
8.1
HIGHCVSS 3.0
EPSS 5.86%
Description
An improper authentication vulnerability can be exploited through a race condition that occurs in Ellucian Banner Web Tailor 8.8.3, 8.8.4, and 8.9 and Banner Enterprise Identity Services 8.3, 8.3.1, 8.3.2, and 8.4, in conjunction with SSO Manager. This vulnerability allows remote attackers to steal a victim's session (and cause a denial of service) by repeatedly requesting the initial Banner Web Tailor main page with the IDMSESSID cookie set to the victim's UDCID, which in the case tested is the institutional ID. During a login attempt by a victim, the attacker can leverage the race condition and will be issued the SESSID that was meant for this victim.
Affected products
No data.
- 8.3
- 8.3.1
- 8.3.2
- 8.4
- 8.8.3
- 8.8.4
- 8.9
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:H/PR:N/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:M/Au:N/C:P/I:P/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 2, 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 (33 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 5.86% (0.05858) | 92.97th | v5 (v2026.06.15) |
| Sep 22, 2026 | 5.86% (0.05858) | 92.86th | v5 (v2026.06.15) |
| Sep 21, 2026 | 4.23% (0.04225) | 90.59th | v5 (v2026.06.15) |
| Sep 6, 2026 | 5.86% (0.05858) | 92.70th | v5 (v2026.06.15) |
| Sep 5, 2026 | 4.23% (0.04225) | 90.38th | v5 (v2026.06.15) |
| Aug 30, 2026 | 5.86% (0.05858) | 92.66th | v5 (v2026.06.15) |
| Aug 28, 2026 | 4.23% (0.04225) | 90.32th | v5 (v2026.06.15) |
| Aug 24, 2026 | 5.86% (0.05858) | 92.62th | v5 (v2026.06.15) |
| Aug 23, 2026 | 4.23% (0.04225) | 90.28th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.86% (0.05858) | 92.22th | v5 (v2026.06.15) |
| May 23, 2026 | 8.27% (0.08265) | 92.33th | v4 (v2025.03.14) |
| Jan 18, 2026 | 12.36% (0.12363) | 93.67th | v4 (v2025.03.14) |
| Mar 30, 2025 | 26.06% (0.26062) | 95.83th | v4 (v2025.03.14) |
| Mar 29, 2025 | 51.16% (0.51162) | 96.89th | v4 (v2025.03.14) |
| Mar 28, 2025 | 26.06% (0.26062) | 95.83th | v4 (v2025.03.14) |
| Mar 27, 2025 | 51.16% (0.51162) | 97.50th | v4 (v2025.03.14) |
| Mar 20, 2025 | 45.68% (0.45684) | 97.38th | v4 (v2025.03.14) |
| Mar 19, 2025 | 51.16% (0.51162) | 97.56th | v4 (v2025.03.14) |
| Mar 17, 2025 | 33.41% (0.33415) | 96.54th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.69% (0.01694) | 88.23th | v3 (v2023.03.01) |
| May 7, 2024 | 1.36% (0.01365) | 86.16th | v3 (v2023.03.01) |
| Oct 10, 2023 | 1.09% (0.01090) | 82.70th | v3 (v2023.03.01) |
| Apr 20, 2023 | 1.15% (0.01145) | 82.67th | v3 (v2023.03.01) |
| Apr 4, 2023 | 1.00% (0.01004) | 81.39th | v3 (v2023.03.01) |
| Mar 18, 2023 | 0.71% (0.00710) | 77.41th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.81% (0.00808) | 79.09th | v3 (v2023.03.01) |
| Mar 6, 2023 | 14.68% (0.14680) | 95.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 14.68% (0.14680) | 95.50th | v2 (v2022.01.01) |
| Feb 4, 2022 | 14.68% (0.14680) | 91.17th | v2 (v2022.01.01) |
| Feb 3, 2022 | 9.94% (0.09940) | 87.27th | v1 |
| Jan 6, 2022 | 9.94% (0.09940) | 87.11th | v1 |
| Sep 1, 2021 | 9.94% (0.09940) | 94.96th | v1 |
| Apr 14, 2021 | 9.94% (0.09940) | 0.00th | v1 |
References (6)
- http://packetstormsecurity.com/files/152856/Ellucian-Banner-Web-Tailor-Banner-Enterprise-Identity-Services-Improper-Authentication.html x_refsource_MISCThird Party AdvisoryVDB Entry
- http://seclists.org/fulldisclosure/2019/May/18 mailing-listx_refsource_FULLDISCMailing ListThird Party Advisory
- https://ecommunities.ellucian.com/message/252749#252749 x_refsource_MISCPermissions Required
- https://ecommunities.ellucian.com/message/252810#252810 x_refsource_MISCPermissions Required
- https://raw.githubusercontent.com/JoshuaMulliken/CVE-2019-8978/master/README.txt x_refsource_MISCThird Party Advisory
- https://seclists.org/bugtraq/2019/May/31 mailing-listx_refsource_BUGTRAQMailing ListThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://packetstormsecurity.com/files/152856/Ellucian-Banner-Web-Tailor-Banner-Enterprise-Identity-Services-Improper-Authentication.html | x_refsource_MISCThird Party AdvisoryVDB Entry | |
| http://seclists.org/fulldisclosure/2019/May/18 | mailing-listx_refsource_FULLDISCMailing ListThird Party Advisory | |
| https://ecommunities.ellucian.com/message/252749#252749 | x_refsource_MISCPermissions Required | |
| https://ecommunities.ellucian.com/message/252810#252810 | x_refsource_MISCPermissions Required | |
| https://raw.githubusercontent.com/JoshuaMulliken/CVE-2019-8978/master/README.txt | x_refsource_MISCThird Party Advisory | |
| https://seclists.org/bugtraq/2019/May/31 | mailing-listx_refsource_BUGTRAQMailing ListThird Party Advisory |
Change history (0)
No recorded changes yet.