Microsoft ActiveSync 4.1, as used in Windows Mobile 5.0, uses weak encryption (XOR obfuscation with a fixed key) when sending the user's PIN/Password over the USB connection from the host to the device, which might make it easier for attackers to decode a PIN/Password obtained by (1) sniffing or (2) spoofing the docking process
Published Oct 15, 2007
4.6
MEDIUMCVSS 3.1
EPSS 2.22%
Description
Microsoft ActiveSync 4.1, as used in Windows Mobile 5.0, uses weak encryption (XOR obfuscation with a fixed key) when sending the user's PIN/Password over the USB connection from the host to the device, which might make it easier for attackers to decode a PIN/Password obtained by (1) sniffing or (2) spoofing the docking process.
Affected products
No data.
Running on/with
- 4.1
- 5.0
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.
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:C/I:N/A:N
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 | 2.22% (0.02219) | 82.03th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.22% (0.02219) | 80.29th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.03% (0.01027) | 75.76th | v4 (v2025.03.14) |
| Dec 17, 2024 | 9.38% (0.09381) | 94.71th | v3 (v2023.03.01) |
| Jul 11, 2024 | 2.69% (0.02693) | 90.57th | v3 (v2023.03.01) |
| Jun 3, 2024 | 2.69% (0.02687) | 90.46th | v3 (v2023.03.01) |
| Mar 18, 2024 | 2.59% (0.02593) | 90.02th | v3 (v2023.03.01) |
| Feb 9, 2024 | 2.34% (0.02340) | 89.41th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.20% (0.00203) | 56.47th | v3 (v2023.03.01) |
| Mar 6, 2023 | 6.12% (0.06118) | 90.60th | v2 (v2022.01.01) |
| Apr 1, 2022 | 6.12% (0.06118) | 89.73th | v2 (v2022.01.01) |
| Feb 4, 2022 | 6.12% (0.06118) | 77.57th | v2 (v2022.01.01) |
References (5)
- http://osvdb.org/38499 vdb-entryx_refsource_OSVDBBroken Link
- http://securityreason.com/securityalert/3232 third-party-advisoryx_refsource_SREASONBroken Link
- http://www.securityfocus.com/archive/1/482299/100/0/threaded mailing-listx_refsource_BUGTRAQBroken LinkThird Party AdvisoryVDB Entry
- http://www.securityfocus.com/bid/25976 vdb-entryx_refsource_BIDBroken LinkPatchThird Party AdvisoryVDB Entry
- https://exchange.xforce.ibmcloud.com/vulnerabilities/37223 vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| http://osvdb.org/38499 | vdb-entryx_refsource_OSVDBBroken Link | |
| http://securityreason.com/securityalert/3232 | third-party-advisoryx_refsource_SREASONBroken Link | |
| http://www.securityfocus.com/archive/1/482299/100/0/threaded | mailing-listx_refsource_BUGTRAQBroken LinkThird Party AdvisoryVDB Entry | |
| http://www.securityfocus.com/bid/25976 | vdb-entryx_refsource_BIDBroken LinkPatchThird Party AdvisoryVDB Entry | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/37223 | vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.