Grandstream GRP261x VoIP phone running firmware version 1.0.3.6 (Base) allow Authentication Bypass in its administrative web interface
Published Mar 29, 2021
9.8
CRITICALCVSS 3.1
EPSS 1.82%
Description
Grandstream GRP261x VoIP phone running firmware version 1.0.3.6 (Base) allow Authentication Bypass in its administrative web interface.
Affected products
No data.
Configuration 1
- 1.0.3.6
Running on/with
- n/a
Configuration 2
- 1.0.3.6
Running on/with
- n/a
Configuration 3
- 1.0.3.6
Running on/with
- n/a
Configuration 4
- 1.0.3.6
Running on/with
- n/a
Configuration 5
- 1.0.3.6
Running on/with
- n/a
Configuration 6
- 1.0.3.6
Running on/with
- n/a
Configuration 7
- 1.0.3.6
Running on/with
- n/a
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:N/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:C/I:C/A:C
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 v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.82% (0.01822) | 77.98th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.82% (0.01822) | 75.88th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.24% (0.00235) | 62.08th | v3 (v2023.03.01) |
| Dec 13, 2023 | 0.24% (0.00235) | 61.49th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.21% (0.00213) | 57.51th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 10.85% (0.10855) | 88.34th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.95% (0.01953) | 49.98th | v5 (v2026.06.15) |
| Jan 6, 2022 | 1.95% (0.01953) | 49.47th | v1 |
| Sep 1, 2021 | 0.44% (0.00442) | 27.73th | v1 |
| Apr 14, 2021 | 0.44% (0.00442) | 0.00th | v1 |
References (2)
- https://cwe.mitre.org/data/definitions/306.html x_refsource_MISCThird Party Advisory
- https://github.com/fireeye/Vulnerability-Disclosures/blob/master/FEYE-2021-0002/FEYE-2021-0002.md x_refsource_MISCThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://cwe.mitre.org/data/definitions/306.html | x_refsource_MISCThird Party Advisory | |
| https://github.com/fireeye/Vulnerability-Disclosures/blob/master/FEYE-2021-0002/FEYE-2021-0002.md | x_refsource_MISCThird Party Advisory |
Change history (0)
No recorded changes yet.