The ssl_parse_client_key_exchange function in XySSL before 0.9 does not protect against certain Bleichenbacher attacks using chosen ciphertext, which allows remote attackers to recover keys via unspecified vectors
Published Aug 31, 2009
7.5
HIGHCVSS 2.0
EPSS 1.39%
Description
The ssl_parse_client_key_exchange function in XySSL before 0.9 does not protect against certain Bleichenbacher attacks using chosen ciphertext, which allows remote attackers to recover keys via unspecified vectors.
Affected products
No data.
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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.39% (0.01390) | 71.31th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.39% (0.01390) | 68.66th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.52% (0.00519) | 64.80th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.52% (0.00520) | 77.59th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.52% (0.00520) | 76.13th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.52% (0.00520) | 73.22th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Oct 18, 2022 | 1.14% (0.01136) | 58.28th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.14% (0.01136) | 56.27th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.14% (0.01136) | 34.23th | v2 (v2022.01.01) |
References (3)
- http://polarssl.org/?archive#001c x_refsource_CONFIRM
- http://www.vupen.com/english/advisories/2008/0917/references vdb-entryx_refsource_VUPENVendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/41253 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://polarssl.org/?archive#001c | x_refsource_CONFIRM | |
| http://www.vupen.com/english/advisories/2008/0917/references | vdb-entryx_refsource_VUPENVendor Advisory | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/41253 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.