The AV engine before DAT 5600 in McAfee VirusScan, Total Protection, Internet Security, SecurityShield for Microsoft ISA Server, Security for Microsoft Sharepoint, Security for Email Servers, Email Gateway, and Active Virus Defense allows remote attackers to bypass virus detection via (1) an invalid Headflags field in a malformed RAR archive, (2) an invalid Packsize field in a malformed RAR archive, or (3) an invalid Filelength field in a malformed ZIP archive
Published Apr 30, 2009
7.6
HIGHCVSS 2.0
EPSS 2.83%
Description
The AV engine before DAT 5600 in McAfee VirusScan, Total Protection, Internet Security, SecurityShield for Microsoft ISA Server, Security for Microsoft Sharepoint, Security for Email Servers, Email Gateway, and Active Virus Defense allows remote attackers to bypass virus detection via (1) an invalid Headflags field in a malformed RAR archive, (2) an invalid Packsize field in a malformed RAR archive, or (3) an invalid Filelength field in a malformed ZIP archive.
Affected products
No data.
- n/a
- n/a
- n/a
- n/a
- 2004
- 2005
- 2006
- 2009
- n/a
- n/a
- n/a
- 2009
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- 2009
- 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.
No CVSS v3.0 score for this CVE.
AV:N/AC:H/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 2, 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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 2.83% (0.02835) | 86.16th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.83% (0.02835) | 84.75th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.45% (0.00449) | 61.51th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.73% (0.00731) | 81.41th | v3 (v2023.03.01) |
| Feb 28, 2024 | 0.73% (0.00731) | 80.23th | v3 (v2023.03.01) |
| Dec 9, 2023 | 0.71% (0.00709) | 78.18th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.67% (0.00667) | 76.56th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
References (5)
- http://blog.zoller.lu/2009/04/mcafee-multiple-bypassesevasions-ziprar.html x_refsource_MISC
- http://secunia.com/advisories/34949 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://www.securityfocus.com/archive/1/503173/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/34780 vdb-entryx_refsource_BID
- https://kc.mcafee.com/corporate/index?page=content&id=SB10001&actp=LIST_RECENT x_refsource_CONFIRMPatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://blog.zoller.lu/2009/04/mcafee-multiple-bypassesevasions-ziprar.html | x_refsource_MISC | |
| http://secunia.com/advisories/34949 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://www.securityfocus.com/archive/1/503173/100/0/threaded | mailing-listx_refsource_BUGTRAQ | |
| http://www.securityfocus.com/bid/34780 | vdb-entryx_refsource_BID | |
| https://kc.mcafee.com/corporate/index?page=content&id=SB10001&actp=LIST_RECENT | x_refsource_CONFIRMPatchVendor Advisory |
Change history (0)
No recorded changes yet.