Clearswift MAILsweeper for SMTP before 4.3.20 and MAILsweeper for Exchange before 4.3.20 allows remote attackers to bypass the "text analysis", possibly bypassing SPAM and other filters, by sending an e-mail specifying a non-existent or unrecognized character set
Published Jun 24, 2006
7.5
HIGHCVSS 2.0
EPSS 1.70%
Description
Clearswift MAILsweeper for SMTP before 4.3.20 and MAILsweeper for Exchange before 4.3.20 allows remote attackers to bypass the "text analysis", possibly bypassing SPAM and other filters, by sending an e-mail specifying a non-existent or unrecognized character set.
Affected products
No data.
- ≤ 4.3.19
- ≤ 4.3.19
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: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 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 (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 1.70% (0.01704) | 76.46th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.67% (0.01673) | 73.72th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.53% (0.00531) | 65.29th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.90% (0.00903) | 83.44th | v3 (v2023.03.01) |
| Oct 13, 2024 | 0.90% (0.00903) | 83.09th | v3 (v2023.03.01) |
| May 14, 2024 | 12.60% (0.12604) | 95.44th | v3 (v2023.03.01) |
| Nov 8, 2023 | 21.99% (0.21994) | 95.96th | v3 (v2023.03.01) |
| Jul 12, 2023 | 16.80% (0.16805) | 95.34th | v3 (v2023.03.01) |
| Jun 4, 2023 | 12.60% (0.12604) | 94.61th | v3 (v2023.03.01) |
| Apr 27, 2023 | 3.07% (0.03067) | 89.51th | v3 (v2023.03.01) |
| Mar 20, 2023 | 2.24% (0.02240) | 87.79th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.89% (0.01887) | 86.59th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.32% (0.01319) | 71.23th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
No CWE recorded.
References (6)
- http://download.mimesweeper.com/www/TechnicalDocumentation/ReadMe_MSW_4%2C3%2C20.htm x_refsource_CONFIRM
- http://secunia.com/advisories/20756 third-party-advisoryx_refsource_SECUNIAPatchVendor Advisory
- http://www.osvdb.org/26737 vdb-entryx_refsource_OSVDB
- http://www.securityfocus.com/bid/18584 vdb-entryx_refsource_BIDPatch
- http://www.vupen.com/english/advisories/2006/2473 vdb-entryx_refsource_VUPEN
- https://exchange.xforce.ibmcloud.com/vulnerabilities/27301 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://download.mimesweeper.com/www/TechnicalDocumentation/ReadMe_MSW_4%2C3%2C20.htm | x_refsource_CONFIRM | |
| http://secunia.com/advisories/20756 | third-party-advisoryx_refsource_SECUNIAPatchVendor Advisory | |
| http://www.osvdb.org/26737 | vdb-entryx_refsource_OSVDB | |
| http://www.securityfocus.com/bid/18584 | vdb-entryx_refsource_BIDPatch | |
| http://www.vupen.com/english/advisories/2006/2473 | vdb-entryx_refsource_VUPEN | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/27301 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.