Skype 3.6.0.248, and other versions before 3.8.0.139, uses a case-sensitive comparison when checking for dangerous extensions, which allows user-assisted remote attackers to bypass warning dialogs and possibly execute arbitrary code via a file: URI with a dangerous extension that uses a different case
Published Jun 6, 2008
9.3
HIGHCVSS 2.0
EPSS 4.23%
Description
Skype 3.6.0.248, and other versions before 3.8.0.139, uses a case-sensitive comparison when checking for dangerous extensions, which allows user-assisted remote attackers to bypass warning dialogs and possibly execute arbitrary code via a file: URI with a dangerous extension that uses a different case.
Affected products
No data.
- ≤ 3.8.0.115
- 3.0.0.106
- 3.0.0.123
- 3.0.0.137
- 3.0.0.154
- 3.0.0.190
- 3.0.0.198
- 3.0.0.205
- 3.0.0.209
- 3.0.0.214
- 3.0.0.216
- 3.0.0.217
- 3.0.0.218
- 3.1.0.112
- 3.1.0.134
- 3.1.0.144
- 3.1.0.147
- 3.1.0.150
- 3.1.0.152
- 3.2.0.53
- 3.2.0.63
- 3.2.0.82
- 3.2.0.115
- 3.2.0.145
- 3.2.0.148
- 3.2.0.152
- 3.2.0.158
- 3.2.0.163
- 3.2.0.175
- 3.5.0.107
- 3.5.0.158
- 3.5.0.178
- 3.5.0.202
- 3.5.0.214
- 3.5.0.229
- 3.5.0.234
- 3.5.0.239
- 3.6.0.127
- 3.6.0.159
- 3.6.0.216
- 3.6.0.244
- 3.6.0.248
- 3.8.0.96
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:M/Au:N/C:C/I:C/A:C
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 (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.23% (0.04235) | 90.71th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.23% (0.04235) | 89.70th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.69% (0.01687) | 80.54th | v4 (v2025.03.14) |
| Mar 29, 2025 | 4.04% (0.04040) | 80.52th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.69% (0.01687) | 80.96th | v4 (v2025.03.14) |
| Mar 3, 2025 | 3.09% (0.03089) | 91.08th | v3 (v2023.03.01) |
| Dec 12, 2024 | 6.93% (0.06929) | 94.19th | v3 (v2023.03.01) |
| Jun 12, 2024 | 7.40% (0.07398) | 94.11th | v3 (v2023.03.01) |
| May 7, 2024 | 6.88% (0.06882) | 93.88th | v3 (v2023.03.01) |
| Mar 7, 2023 | 6.52% (0.06518) | 92.58th | v3 (v2023.03.01) |
| Mar 6, 2023 | 7.52% (0.07525) | 92.75th | v2 (v2022.01.01) |
| Apr 1, 2022 | 7.52% (0.07525) | 92.03th | v2 (v2022.01.01) |
| Feb 4, 2022 | 7.52% (0.07525) | 80.97th | v2 (v2022.01.01) |
References (7)
- http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=711 third-party-advisoryx_refsource_IDEFENSE
- http://secunia.com/advisories/30547 third-party-advisoryx_refsource_SECUNIA
- http://www.securityfocus.com/bid/29553 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1020201 vdb-entryx_refsource_SECTRACK
- http://www.skype.com/security/skype-sb-2008-003.html x_refsource_CONFIRMPatch
- http://www.vupen.com/english/advisories/2008/1749/references vdb-entryx_refsource_VUPEN
- https://exchange.xforce.ibmcloud.com/vulnerabilities/43044 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=711 | third-party-advisoryx_refsource_IDEFENSE | |
| http://secunia.com/advisories/30547 | third-party-advisoryx_refsource_SECUNIA | |
| http://www.securityfocus.com/bid/29553 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id?1020201 | vdb-entryx_refsource_SECTRACK | |
| http://www.skype.com/security/skype-sb-2008-003.html | x_refsource_CONFIRMPatch | |
| http://www.vupen.com/english/advisories/2008/1749/references | vdb-entryx_refsource_VUPEN | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/43044 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.