Microsoft Crypto API 5.131.2600.2180 through 6.0, as used in Outlook, Windows Live Mail, and Office 2007, performs Certificate Revocation List (CRL) checks by using an arbitrary URL from a certificate embedded in a (1) S/MIME e-mail message or (2) signed document, which allows remote attackers to obtain reading times and IP addresses of recipients, and port-scan results, via a crafted certificate with an Authority Information Access (AIA) extension
Published Jul 7, 2008
7.5
HIGHCVSS 2.0
EPSS 17.40%
Description
Microsoft Crypto API 5.131.2600.2180 through 6.0, as used in Outlook, Windows Live Mail, and Office 2007, performs Certificate Revocation List (CRL) checks by using an arbitrary URL from a certificate embedded in a (1) S/MIME e-mail message or (2) signed document, which allows remote attackers to obtain reading times and IP addresses of recipients, and port-scan results, via a crafted certificate with an Authority Information Access (AIA) extension.
Affected products
No data.
- 2007
- 2003
- 2007
- 2003
- 2007
- 2003
- 2007
- 2007
- 2007
- 2007
- 2003
- 2003
- 2007
- 2003
- 2007
- 2007
- 2007
- 2003
- 2007
- 2007
- 2007
- 2007
- 2008
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 (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 17.40% (0.17404) | 97.04th | v5 (v2026.06.15) |
| Jun 15, 2026 | 17.40% (0.17404) | 96.73th | v5 (v2026.06.15) |
| Sep 2, 2025 | 12.63% (0.12634) | 93.76th | v4 (v2025.03.14) |
| Mar 30, 2025 | 10.25% (0.10248) | 92.42th | v4 (v2025.03.14) |
| Mar 29, 2025 | 16.51% (0.16508) | 91.53th | v4 (v2025.03.14) |
| Mar 17, 2025 | 10.25% (0.10248) | 92.58th | v4 (v2025.03.14) |
| Feb 24, 2025 | 6.98% (0.06976) | 93.98th | v3 (v2023.03.01) |
| Dec 9, 2024 | 5.58% (0.05584) | 93.52th | v3 (v2023.03.01) |
| Aug 19, 2024 | 3.96% (0.03963) | 92.19th | v3 (v2023.03.01) |
| Jul 13, 2024 | 2.83% (0.02835) | 90.81th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.63% (0.02626) | 88.67th | v3 (v2023.03.01) |
| Mar 6, 2023 | 23.04% (0.23038) | 96.67th | v2 (v2022.01.01) |
| Jul 17, 2022 | 23.04% (0.23038) | 96.60th | v2 (v2022.01.01) |
| Feb 4, 2022 | 23.04% (0.23038) | 94.54th | v2 (v2022.01.01) |
No CWE recorded.
References (14)
- http://securityreason.com/securityalert/3978 third-party-advisoryx_refsource_SREASON
- http://www.securityfocus.com/archive/1/493947/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/archive/1/494101/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/28548 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1019736 vdb-entryx_refsource_SECTRACK
- http://www.securitytracker.com/id?1019737 vdb-entryx_refsource_SECTRACK
- http://www.securitytracker.com/id?1019738 vdb-entryx_refsource_SECTRACK
- https://www.cynops.de/advisories/AKLINK-SA-2008-002.txt x_refsource_MISC
- https://www.cynops.de/advisories/AKLINK-SA-2008-003.txt x_refsource_MISC
- https://www.cynops.de/advisories/AKLINK-SA-2008-004.txt x_refsource_MISC
- https://www.cynops.de/techzone/http_over_x509.html x_refsource_MISC
- https://www.klink.name/security/aklink-sa-2008-002-outlook-smime.txt x_refsource_MISC
- https://www.klink.name/security/aklink-sa-2008-003-live-mail-smime.txt x_refsource_MISC
- https://www.klink.name/security/aklink-sa-2008-004-office2007-signatures.txt x_refsource_MISC
Change history (0)
No recorded changes yet.