F-Prot Antivirus for Linux x86 Mail Servers 4.6.6 allows remote attackers to bypass virus detection by inserting invalid characters into base64 encoded content in a multipart/mixed MIME file, as demonstrated with the EICAR test file
Published Dec 10, 2006
5.0
MEDIUMCVSS 2.0
EPSS 2.17%
Description
F-Prot Antivirus for Linux x86 Mail Servers 4.6.6 allows remote attackers to bypass virus detection by inserting invalid characters into base64 encoded content in a multipart/mixed MIME file, as demonstrated with the EICAR test file.
Affected products
No data.
- 4.6.6
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.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:P/A:N
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
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- 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 3, 2026 | 2.17% (0.02166) | 81.61th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.04% (0.02042) | 78.57th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.22% (0.00219) | 42.50th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.43% (0.00434) | 75.41th | v3 (v2023.03.01) |
| May 4, 2024 | 0.43% (0.00434) | 74.45th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.41% (0.00406) | 73.09th | v3 (v2023.03.01) |
| Oct 13, 2023 | 0.41% (0.00406) | 70.80th | v3 (v2023.03.01) |
| Sep 5, 2023 | 0.40% (0.00399) | 70.28th | v3 (v2023.03.01) |
| Jul 29, 2023 | 0.32% (0.00324) | 66.80th | v3 (v2023.03.01) |
| Jun 21, 2023 | 0.35% (0.00349) | 67.78th | v3 (v2023.03.01) |
| Apr 5, 2023 | 0.34% (0.00335) | 66.77th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.36% (0.00364) | 67.99th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Oct 18, 2022 | 1.14% (0.01136) | 58.28th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.14% (0.01136) | 56.27th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.14% (0.01136) | 34.23th | v2 (v2022.01.01) |
No CWE recorded.
References (3)
- http://www.quantenblog.net/security/virus-scanner-bypass x_refsource_MISCExploitVendor Advisory
- http://www.securityfocus.com/archive/1/453654/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/21461 vdb-entryx_refsource_BID
| Link | Providers | Tags |
|---|---|---|
| http://www.quantenblog.net/security/virus-scanner-bypass | x_refsource_MISCExploitVendor Advisory | |
| http://www.securityfocus.com/archive/1/453654/100/0/threaded | mailing-listx_refsource_BUGTRAQ | |
| http://www.securityfocus.com/bid/21461 | vdb-entryx_refsource_BID |
Change history (0)
No recorded changes yet.