In VOS and overly permissive "umask" may allow for authorized users of the server to gain unauthorized access through insecure file permissions that can result in an arbitrary read, write, or execution of newly created files and directories
Published May 26, 2021
8.8
HIGHCVSS 3.1
EPSS 1.92%
Description
In VOS and overly permissive "umask" may allow for authorized users of the server to gain unauthorized access through insecure file permissions that can result in an arbitrary read, write, or execution of newly created files and directories. Insecure umask setting was present throughout the Versa servers.
Affected products
- Vendor n/a Product Versa VOS Defaultn/a
- Version Fixed Versions: 16.1R2S11, 20.2.2, 21.1.1, 21.2.1StatusaffectedConstraints-
- 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 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | Versa VOS | n/a |
|
- < 16.1r2s11
- ≥ 20.2.0 · < 20.2.2
- ≥ 21.1.0 · < 21.1.1
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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:S/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
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 (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.92% (0.01922) | 79.19th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.92% (0.01922) | 77.20th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.83% (0.00825) | 72.26th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.90% (0.02904) | 77.25th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.83% (0.00825) | 72.80th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.11% (0.00115) | 46.83th | v3 (v2023.03.01) |
| Jul 10, 2024 | 0.11% (0.00115) | 45.62th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.11% (0.00115) | 43.55th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.09% (0.01086) | 53.47th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.09% (0.01086) | 51.85th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.09% (0.01086) | 49.83th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.09% (0.01086) | 28.42th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.73% (0.00731) | 20.40th | v1 |
| Jan 6, 2022 | 0.73% (0.00731) | 19.82th | v1 |
| Sep 1, 2021 | 0.73% (0.00731) | 49.19th | v1 |
| May 27, 2021 | 0.73% (0.00731) | 0.00th | v1 |
References (1)
- https://hackerone.com/reports/1168191 x_refsource_MISCThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://hackerone.com/reports/1168191 | x_refsource_MISCThird Party Advisory |
Change history (0)
No recorded changes yet.