The ESET AV parsing engine allows virus-detection bypass via a crafted BZ2 Checksum field in an archive
Published Mar 5, 2020
9.8
CRITICALCVSS 3.1
EPSS 1.69%
Description
The ESET AV parsing engine allows virus-detection bypass via a crafted BZ2 Checksum field in an archive. This affects versions before 1294 of Smart Security Premium, Internet Security, NOD32 Antivirus, Cyber Security Pro (macOS), Cyber Security (macOS), Mobile Security for Android, Smart TV Security, and NOD32 Antivirus 4 for Linux Desktop.
Affected products
No data.
- < 1294
- < 1294
- < 1294
- < 1294
- 4
- < 1294
- < 1294
- < 1294
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: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 3, 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 3, 2026 | 1.69% (0.01690) | 76.27th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.65% (0.01648) | 73.35th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.31% (0.00308) | 70.24th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.31% (0.00308) | 69.14th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.31% (0.00308) | 65.19th | 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 | 9.03% (0.09029) | 86.86th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.84% (0.01840) | 47.83th | v5 (v2026.06.15) |
| Jan 6, 2022 | 1.84% (0.01840) | 47.32th | v1 |
| Sep 1, 2021 | 0.42% (0.00416) | 25.53th | v1 |
| Apr 14, 2021 | 0.42% (0.00416) | 0.00th | v1 |
References (1)
- https://blog.zoller.lu/p/tzo-11-2020-eset-generic-malformed.html x_refsource_MISCThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://blog.zoller.lu/p/tzo-11-2020-eset-generic-malformed.html | x_refsource_MISCThird Party Advisory |
Change history (0)
No recorded changes yet.