The logcheck function in session.inc in AlienVault OSSIM before 5.3.1, when an action has been created, and USM before 5.3.1 allows remote attackers to bypass authentication and consequently obtain sensitive information, modify the application, or execute arbitrary code as root via an "AV Report Scheduler" HTTP User-Agent header
Published Mar 15, 2017
9.8
CRITICALCVSS 3.0
EPSS 6.41%
Description
The logcheck function in session.inc in AlienVault OSSIM before 5.3.1, when an action has been created, and USM before 5.3.1 allows remote attackers to bypass authentication and consequently obtain sensitive information, modify the application, or execute arbitrary code as root via an "AV Report Scheduler" HTTP User-Agent header.
Affected products
No data.
- ≤ 5.3
- ≤ 5.3
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:N/S:U/C:H/I:H/A:H
AV:N/AC:L/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 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 (20 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 6.41% (0.06407) | 93.47th | v5 (v2026.06.15) |
| Sep 22, 2026 | 6.41% (0.06407) | 93.36th | v5 (v2026.06.15) |
| Sep 21, 2026 | 5.02% (0.05016) | 91.91th | v5 (v2026.06.15) |
| Sep 6, 2026 | 6.41% (0.06407) | 93.21th | v5 (v2026.06.15) |
| Sep 5, 2026 | 5.02% (0.05016) | 91.74th | v5 (v2026.06.15) |
| Aug 30, 2026 | 6.41% (0.06407) | 93.18th | v5 (v2026.06.15) |
| Aug 28, 2026 | 5.02% (0.05016) | 91.69th | v5 (v2026.06.15) |
| Aug 24, 2026 | 6.41% (0.06407) | 93.14th | v5 (v2026.06.15) |
| Aug 23, 2026 | 5.02% (0.05016) | 91.65th | v5 (v2026.06.15) |
| Jun 15, 2026 | 6.41% (0.06407) | 92.77th | v5 (v2026.06.15) |
| Apr 30, 2026 | 6.48% (0.06484) | 91.13th | v4 (v2025.03.14) |
| Nov 16, 2025 | 8.55% (0.08552) | 92.03th | v4 (v2025.03.14) |
| Mar 30, 2025 | 11.18% (0.11179) | 92.86th | v4 (v2025.03.14) |
| Mar 29, 2025 | 17.34% (0.17343) | 91.80th | v4 (v2025.03.14) |
| Mar 17, 2025 | 11.18% (0.11179) | 92.96th | v4 (v2025.03.14) |
| Dec 17, 2024 | 2.56% (0.02557) | 89.90th | v3 (v2023.03.01) |
| Mar 7, 2023 | 3.75% (0.03751) | 90.39th | v3 (v2023.03.01) |
| Mar 6, 2023 | 5.79% (0.05785) | 90.41th | v2 (v2022.01.01) |
| Apr 1, 2022 | 5.79% (0.05785) | 89.45th | v2 (v2022.01.01) |
| Feb 4, 2022 | 5.79% (0.05785) | 77.27th | v2 (v2022.01.01) |
References (3)
- http://www.securityfocus.com/archive/1/540224/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.zerodayinitiative.com/advisories/ZDI-16-517/ x_refsource_MISCThird Party AdvisoryVDB Entry
- https://www.alienvault.com/forums/discussion/7765/alienvault-v5-3-1-hotfix x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/archive/1/540224/100/0/threaded | mailing-listx_refsource_BUGTRAQ | |
| http://www.zerodayinitiative.com/advisories/ZDI-16-517/ | x_refsource_MISCThird Party AdvisoryVDB Entry | |
| https://www.alienvault.com/forums/discussion/7765/alienvault-v5-3-1-hotfix | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.