MEDIUM
Opera before 9.63 does not properly verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate
Published Jun 4, 2012
5.8
MEDIUMCVSS 2.0
EPSS 0.61%
Description
Opera before 9.63 does not properly verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.
Affected products
No data.
OR
- ≤ 9.62
- 1.00
- 2.00
- 2.10
- 2.10
- 2.10
- 2.10
- 2.12
- 3.00
- 3.00
- 3.10
- 3.21
- 3.50
- 3.51
- 3.60
- 3.61
- 3.62
- 3.62
- 4.00
- 4.00
- 4.00
- 4.00
- 4.00
- 4.00
- 4.01
- 4.02
- 5.0
- 5.0
- 5.0
- 5.0
- 5.0
- 5.0
- 5.0
- 5.0
- 5.02
- 5.10
- 5.11
- 5.12
- 6.0
- 6.0
- 6.0
- 6.0
- 6.0
- 6.0
- 6.1
- 6.01
- 6.1
- 6.02
- 6.03
- 6.04
- 6.05
- 6.06
- 6.11
- 6.12
- 7.0
- 7.0
- 7.0
- 7.0
- 7.01
- 7.02
- 7.03
- 7.10
- 7.10
- 7.11
- 7.11
- 7.20
- 7.20
- 7.21
- 7.22
- 7.23
- 7.50
- 7.50
- 7.51
- 7.52
- 7.53
- 7.54
- 7.54
- 7.54
- 7.60
- 8.0
- 8.0
- 8.0
- 8.0
- 8.01
- 8.02
- 8.50
- 8.51
- 8.52
- 8.53
- 8.54
- 9.0
- 9.0
- 9.0
- 9.01
- 9.02
- 9.10
- 9.12
- 9.20
- 9.20
- 9.21
- 9.22
- 9.23
- 9.24
- 9.25
- 9.26
- 9.27
- 9.50
- 9.50
- 9.50
- 9.51
- 9.52
- 9.60
- 9.60
- 9.61
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.
5.8 MEDIUM NVD
AV:N/AC:M/Au:N/C:P/I:P/A:N
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
0.61% 0.00606
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.00606
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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.61% (0.00606) | 47.08th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.60% (0.00601) | 43.91th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.20% (0.00198) | 39.72th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.09% (0.00089) | 39.98th | v3 (v2023.03.01) |
| Mar 15, 2024 | 0.08% (0.00082) | 33.57th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.07% (0.00070) | 28.26th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.09% (0.00089) | 36.56th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.02% (0.01018) | 38.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.02% (0.01018) | 36.86th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
Weaknesses (1)
References (5)
- http://jvn.jp/en/jp/JVN39707339/index.html third-party-advisoryx_refsource_JVN
- http://jvndb.jvn.jp/jvndb/JVNDB-2012-000049 third-party-advisoryx_refsource_JVNDB
- http://www.opera.com/docs/changelogs/mac/963/ x_refsource_MISC
- http://www.opera.com/docs/changelogs/unix/963/ x_refsource_MISC
- http://www.opera.com/docs/changelogs/windows/963/ x_refsource_MISC
| Link | Providers | Tags |
|---|---|---|
| http://jvn.jp/en/jp/JVN39707339/index.html | third-party-advisoryx_refsource_JVN | |
| http://jvndb.jvn.jp/jvndb/JVNDB-2012-000049 | third-party-advisoryx_refsource_JVNDB | |
| http://www.opera.com/docs/changelogs/mac/963/ | x_refsource_MISC | |
| http://www.opera.com/docs/changelogs/unix/963/ | x_refsource_MISC | |
| http://www.opera.com/docs/changelogs/windows/963/ | x_refsource_MISC |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner jpcert
Published Jun 4, 2012
Updated Sep 16, 2024
Reserved Feb 21, 2012
Link CVE-2012-1251
CISA Vulnrichment
Updated n/a