Buffer overflow in the POP3 server in 1st Class Mail Server 4.0 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via an APOP USER command with a long second parameter (digest)
Published Aug 16, 2005
7.5
HIGHCVSS 2.0
EPSS 5.86%
Description
Buffer overflow in the POP3 server in 1st Class Mail Server 4.0 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via an APOP USER command with a long second parameter (digest).
Affected products
No data.
- 4.0
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 1, 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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 5.86% (0.05864) | 92.98th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.86% (0.05864) | 92.23th | v5 (v2026.06.15) |
| Feb 12, 2026 | 20.39% (0.20389) | 95.39th | v4 (v2025.03.14) |
| Mar 30, 2025 | 10.33% (0.10335) | 92.46th | v4 (v2025.03.14) |
| Mar 29, 2025 | 8.43% (0.08425) | 86.96th | v4 (v2025.03.14) |
| Mar 17, 2025 | 10.33% (0.10335) | 92.62th | v4 (v2025.03.14) |
| Dec 12, 2024 | 21.07% (0.21075) | 96.61th | v3 (v2023.03.01) |
| Jul 23, 2024 | 21.07% (0.21075) | 96.47th | v3 (v2023.03.01) |
| Mar 7, 2023 | 22.68% (0.22680) | 95.73th | v3 (v2023.03.01) |
| Mar 6, 2023 | 12.82% (0.12822) | 95.61th | v2 (v2022.01.01) |
| Apr 1, 2022 | 12.82% (0.12822) | 95.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 12.82% (0.12822) | 90.16th | v2 (v2022.01.01) |
No CWE recorded.
References (7)
- http://secunia.com/advisories/11029 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://securitytracker.com/id?1009279 vdb-entryx_refsource_SECTRACK
- http://www.digiti.be/jeffosz/advisories/1stclasspop3.txt x_refsource_MISCExploitVendor Advisory
- http://www.osvdb.org/4129 vdb-entryx_refsource_OSVDB
- http://www.securityfocus.com/bid/9794 vdb-entryx_refsource_BIDExploit
- http://www.zone-h.org/advisories/read/id=4047 x_refsource_MISCExploitVendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/15314 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://secunia.com/advisories/11029 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://securitytracker.com/id?1009279 | vdb-entryx_refsource_SECTRACK | |
| http://www.digiti.be/jeffosz/advisories/1stclasspop3.txt | x_refsource_MISCExploitVendor Advisory | |
| http://www.osvdb.org/4129 | vdb-entryx_refsource_OSVDB | |
| http://www.securityfocus.com/bid/9794 | vdb-entryx_refsource_BIDExploit | |
| http://www.zone-h.org/advisories/read/id=4047 | x_refsource_MISCExploitVendor Advisory | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/15314 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.