The installer for BitDefender GravityZone relies on an encoded string in a filename to determine the URL for installation metadata, which allows remote attackers to execute arbitrary code by changing the filename while leaving the file's digital signature unchanged
Published Oct 24, 2018
9.8
CRITICALCVSS 3.0
EPSS 4.26%
Description
The installer for BitDefender GravityZone relies on an encoded string in a filename to determine the URL for installation metadata, which allows remote attackers to execute arbitrary code by changing the filename while leaving the file's digital signature unchanged.
Affected products
No data.
- 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.
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
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 (19 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.26% (0.04263) | 90.76th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.26% (0.04263) | 89.75th | v5 (v2026.06.15) |
| Mar 30, 2025 | 5.34% (0.05340) | 89.09th | v4 (v2025.03.14) |
| Mar 29, 2025 | 6.74% (0.06739) | 85.06th | v4 (v2025.03.14) |
| Mar 17, 2025 | 5.34% (0.05340) | 89.35th | v4 (v2025.03.14) |
| Sep 2, 2024 | 3.18% (0.03180) | 91.33th | v3 (v2023.03.01) |
| Aug 8, 2024 | 4.31% (0.04311) | 92.45th | v3 (v2023.03.01) |
| Jun 12, 2024 | 8.02% (0.08017) | 94.31th | v3 (v2023.03.01) |
| Mar 16, 2024 | 9.09% (0.09090) | 94.47th | v3 (v2023.03.01) |
| Oct 18, 2023 | 9.22% (0.09218) | 93.98th | v3 (v2023.03.01) |
| Jul 8, 2023 | 9.47% (0.09475) | 93.90th | v3 (v2023.03.01) |
| Mar 7, 2023 | 5.68% (0.05681) | 92.09th | v3 (v2023.03.01) |
| Mar 6, 2023 | 5.63% (0.05634) | 90.24th | v2 (v2022.01.01) |
| Apr 1, 2022 | 5.63% (0.05634) | 89.29th | v2 (v2022.01.01) |
| Feb 4, 2022 | 5.63% (0.05634) | 76.84th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.28% (0.02278) | 50.99th | v1 |
| Jan 6, 2022 | 2.28% (0.02278) | 50.49th | v1 |
| Sep 1, 2021 | 2.28% (0.02278) | 78.03th | v1 |
| Apr 14, 2021 | 2.28% (0.02278) | 0.00th | v1 |
References (4)
- http://packetstormsecurity.com/files/149900/Bitdefender-GravityZone-Installer-Signature-Bypass-Code-Execution.html x_refsource_MISCThird Party AdvisoryVDB Entry
- http://seclists.org/fulldisclosure/2018/Oct/44 mailing-listx_refsource_FULLDISCMailing ListThird Party Advisory
- http://www.securitytracker.com/id/1041940 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://labs.nettitude.com/blog/cve-2018-8955-bitdefender-gravityzone-arbitrary-code-execution/ x_refsource_MISCExploitThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://packetstormsecurity.com/files/149900/Bitdefender-GravityZone-Installer-Signature-Bypass-Code-Execution.html | x_refsource_MISCThird Party AdvisoryVDB Entry | |
| http://seclists.org/fulldisclosure/2018/Oct/44 | mailing-listx_refsource_FULLDISCMailing ListThird Party Advisory | |
| http://www.securitytracker.com/id/1041940 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://labs.nettitude.com/blog/cve-2018-8955-bitdefender-gravityzone-arbitrary-code-execution/ | x_refsource_MISCExploitThird Party Advisory |
Change history (0)
No recorded changes yet.