MEDIUM
The SMTP service of MailEnable Standard 1.92 and earlier, Professional 2.0 and earlier, and Enterprise 2.0 and earlier before the MESMTPC hotfix, allows remote attackers to cause a denial of service (application crash) via a HELO command with a null byte in the argument, possibly triggering a length inconsistency or a missing argument
Published Jun 28, 2006
5.0
MEDIUMCVSS 2.0
EPSS 6.11%
Description
The SMTP service of MailEnable Standard 1.92 and earlier, Professional 2.0 and earlier, and Enterprise 2.0 and earlier before the MESMTPC hotfix, allows remote attackers to cause a denial of service (application crash) via a HELO command with a null byte in the argument, possibly triggering a length inconsistency or a missing argument.
Affected products
No data.
OR
- ≤ 1.00
- ≤ 1.01
- ≤ 1.1
- ≤ 1.2
- ≤ 1.02
- ≤ 1.03
- ≤ 1.04
- ≤ 1.21
- 1.0.004
- 1.0.005
- 1.0.006
- 1.0.007
- 1.0.008
- 1.0.009
- 1.0.010
- 1.0.011
- 1.0.012
- 1.0.013
- 1.0.014
- 1.0.015
- 1.0.016
- 1.0.017
- 1.1
- 1.2
- 1.2a
- 1.5
- 1.6
- 1.7
- 1.8
- 1.9
- 1.12
- 1.13
- 1.14
- 1.15
- 1.16
- 1.17
- 1.18
- 1.19
- 1.51
- 1.52
- 1.53
- 1.54
- 1.71
- 1.72
- 1.73
- 1.91
- 1.92
- 1.93
- 1.101
- 1.102
- 1.103
- 1.104
- 1.105
- 1.106
- 1.107
- 1.108
- 1.109
- 1.110
- 1.111
- 1.112
- 1.113
- 1.114
- 1.115
- 1.116
- 1.610
- 1.701
- 1.702
- 1.703
- 1.704
- 1.5015
- 1.5016
- 1.5017
- 1.5018
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.
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
6.11% 0.06107
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
EPSS probability 0.06107
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 (17 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 6.11% (0.06107) | 93.22th | v5 (v2026.06.15) |
| Jun 15, 2026 | 6.00% (0.05995) | 92.36th | v5 (v2026.06.15) |
| Nov 8, 2025 | 21.04% (0.21038) | 95.41th | v4 (v2025.03.14) |
| Mar 30, 2025 | 17.59% (0.17591) | 94.56th | v4 (v2025.03.14) |
| Mar 29, 2025 | 14.45% (0.14445) | 90.74th | v4 (v2025.03.14) |
| Mar 17, 2025 | 17.59% (0.17591) | 94.59th | v4 (v2025.03.14) |
| Dec 17, 2024 | 5.25% (0.05251) | 92.92th | v3 (v2023.03.01) |
| Dec 12, 2024 | 10.54% (0.10545) | 95.29th | v3 (v2023.03.01) |
| May 18, 2024 | 11.40% (0.11401) | 95.21th | v3 (v2023.03.01) |
| Jan 8, 2024 | 7.28% (0.07279) | 93.39th | v3 (v2023.03.01) |
| Oct 2, 2023 | 8.39% (0.08393) | 93.64th | v3 (v2023.03.01) |
| May 2, 2023 | 9.33% (0.09330) | 93.75th | v3 (v2023.03.01) |
| Mar 25, 2023 | 10.24% (0.10237) | 93.99th | v3 (v2023.03.01) |
| Mar 7, 2023 | 10.94% (0.10941) | 94.16th | v3 (v2023.03.01) |
| Mar 6, 2023 | 11.00% (0.10995) | 94.86th | v2 (v2022.01.01) |
| Apr 1, 2022 | 11.00% (0.10995) | 94.44th | v2 (v2022.01.01) |
| Feb 4, 2022 | 11.00% (0.10995) | 88.52th | v2 (v2022.01.01) |
Weaknesses (1)
References (10)
- http://secunia.com/advisories/20790 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://securitytracker.com/id?1016376 vdb-entryx_refsource_SECTRACK
- http://www.divisionbyzero.be/?p=173 x_refsource_MISCPatch
- http://www.divisionbyzero.be/?p=174 x_refsource_MISC
- http://www.mailenable.com/hotfix/mesmtpc.zip x_refsource_CONFIRMPatch
- http://www.osvdb.org/26791 vdb-entryx_refsource_OSVDB
- http://www.securityfocus.com/archive/1/438374/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/18630 vdb-entryx_refsource_BID
- http://www.vupen.com/english/advisories/2006/2520 vdb-entryx_refsource_VUPENVendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/27387 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://secunia.com/advisories/20790 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://securitytracker.com/id?1016376 | vdb-entryx_refsource_SECTRACK | |
| http://www.divisionbyzero.be/?p=173 | x_refsource_MISCPatch | |
| http://www.divisionbyzero.be/?p=174 | x_refsource_MISC | |
| http://www.mailenable.com/hotfix/mesmtpc.zip | x_refsource_CONFIRMPatch | |
| http://www.osvdb.org/26791 | vdb-entryx_refsource_OSVDB | |
| http://www.securityfocus.com/archive/1/438374/100/0/threaded | mailing-listx_refsource_BUGTRAQ | |
| http://www.securityfocus.com/bid/18630 | vdb-entryx_refsource_BID | |
| http://www.vupen.com/english/advisories/2006/2520 | vdb-entryx_refsource_VUPENVendor Advisory | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/27387 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jun 28, 2006
Updated Aug 7, 2024
Reserved Jun 28, 2006
Link CVE-2006-3277
CISA Vulnrichment
Updated n/a