The Single Sign On Client (ubuntu-sso-client) for Ubuntu 11.04 and 11.10 does not properly validate SSL certificates when using HTTPS, which allows remote attackers to spoof a server and modify or read sensitive data via a man-in-the-middle (MITM) attack
Published Jun 16, 2012
6.8
MEDIUMCVSS 2.0
EPSS 1.24%
Description
The Single Sign On Client (ubuntu-sso-client) for Ubuntu 11.04 and 11.10 does not properly validate SSL certificates when using HTTPS, which allows remote attackers to spoof a server and modify or read sensitive data via a man-in-the-middle (MITM) attack.
Affected products
No data.
- 11.04
- 11.10
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: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 | 1.24% (0.01243) | 68.13th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.24% (0.01243) | 65.25th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.41% (0.00414) | 59.51th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.60% (0.00598) | 79.13th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.60% (0.00598) | 77.73th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.60% (0.00598) | 75.09th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
No CWE recorded.
References (5)
- http://osvdb.org/82747 vdb-entryx_refsource_OSVDB
- http://secunia.com/advisories/49448 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://www.securityfocus.com/bid/53829 vdb-entryx_refsource_BID
- http://www.ubuntu.com/usn/USN-1464-1 vendor-advisoryx_refsource_UBUNTUPatchVendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/76112 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://osvdb.org/82747 | vdb-entryx_refsource_OSVDB | |
| http://secunia.com/advisories/49448 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://www.securityfocus.com/bid/53829 | vdb-entryx_refsource_BID | |
| http://www.ubuntu.com/usn/USN-1464-1 | vendor-advisoryx_refsource_UBUNTUPatchVendor Advisory | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/76112 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.