The mailguard feature in Cisco Secure PIX Firewall 5.2(2) and earlier does not properly restrict access to SMTP commands, which allows remote attackers to execute restricted commands by sending a DATA command before sending the restricted commands
Published Jan 22, 2001
7.5
HIGHCVSS 2.0
EPSS 7.10%
Description
The mailguard feature in Cisco Secure PIX Firewall 5.2(2) and earlier does not properly restrict access to SMTP commands, which allows remote attackers to execute restricted commands by sending a DATA command before sending the restricted commands.
Affected products
No data.
- 4.2\(1\)
- 4.2\(2\)
- 4.2\(5\)
- 4.3
- 4.4\(4\)
- 5.0
- 5.1
- 5.2
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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 7.10% (0.07102) | 94.05th | v5 (v2026.06.15) |
| Jun 15, 2026 | 7.10% (0.07102) | 93.40th | v5 (v2026.06.15) |
| Mar 30, 2025 | 7.18% (0.07181) | 90.72th | v4 (v2025.03.14) |
| Mar 29, 2025 | 12.04% (0.12043) | 89.62th | v4 (v2025.03.14) |
| Mar 17, 2025 | 7.18% (0.07181) | 90.93th | v4 (v2025.03.14) |
| Dec 12, 2024 | 4.00% (0.03996) | 92.39th | v3 (v2023.03.01) |
| Mar 7, 2023 | 4.00% (0.03996) | 90.68th | v3 (v2023.03.01) |
| Mar 6, 2023 | 4.48% (0.04482) | 88.77th | v2 (v2022.01.01) |
| Apr 1, 2022 | 4.48% (0.04482) | 87.66th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.48% (0.04482) | 71.45th | v2 (v2022.01.01) |
No CWE recorded.
References (5)
- http://archives.neohapsis.com/archives/bugtraq/2000-09/0222.html mailing-listx_refsource_BUGTRAQ
- http://archives.neohapsis.com/archives/bugtraq/2000-09/0241.html mailing-listx_refsource_BUGTRAQ
- http://www.cisco.com/warp/public/707/PIXfirewallSMTPfilter-pub.shtml vendor-advisoryx_refsource_CISCO
- http://www.securityfocus.com/bid/1698 vdb-entryx_refsource_BIDExploitPatchVendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/5277 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://archives.neohapsis.com/archives/bugtraq/2000-09/0222.html | mailing-listx_refsource_BUGTRAQ | |
| http://archives.neohapsis.com/archives/bugtraq/2000-09/0241.html | mailing-listx_refsource_BUGTRAQ | |
| http://www.cisco.com/warp/public/707/PIXfirewallSMTPfilter-pub.shtml | vendor-advisoryx_refsource_CISCO | |
| http://www.securityfocus.com/bid/1698 | vdb-entryx_refsource_BIDExploitPatchVendor Advisory | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/5277 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.