The design of Advanced Encryption Standard (AES), aka Rijndael, allows remote attackers to recover AES keys via timing attacks on S-box lookups, which are difficult to perform in constant time in AES implementations
Published Jun 1, 2005
5.1
MEDIUMCVSS 2.0
EPSS 0.74%
Description
The design of Advanced Encryption Standard (AES), aka Rijndael, allows remote attackers to recover AES keys via timing attacks on S-box lookups, which are difficult to perform in constant time in AES implementations.
Affected products
No data.
- 0.9.1c
- 0.9.2b
- 0.9.3
- 0.9.4
- 0.9.5
- 0.9.5a
- 0.9.6
- 0.9.6a
- 0.9.6b
- 0.9.6c
- 0.9.6d
- 0.9.6e
- 0.9.6f
- 0.9.6g
- 0.9.6h
- 0.9.6i
- 0.9.6j
- 0.9.6k
- 0.9.6l
- 0.9.6m
- 0.9.7
- 0.9.7
- 0.9.7
- 0.9.7
- 0.9.7a
- 0.9.7b
- 0.9.7c
- 0.9.7d
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
Red Hat statement
The OpenSSL Team do not consider this issue to be a practical threat. Conducting an attack such as this has shown to be impractical outside of a controlled lab environment. If the OpenSSL Team decide to produce an update to correct this issue, we will consider including it in a future security update.
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:H/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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.74% (0.00740) | 52.92th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.74% (0.00740) | 49.61th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.43% (0.00433) | 60.62th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.35% (0.00352) | 72.77th | v3 (v2023.03.01) |
| May 8, 2024 | 0.35% (0.00352) | 71.78th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.32% (0.00323) | 69.89th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.32% (0.00323) | 65.99th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.05% (0.01055) | 50.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.05% (0.01055) | 48.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
No CWE recorded.
References (5)
- http://cr.yp.to/antiforgery/cachetiming-20050414.pdf x_refsource_MISCVendor Advisory
- http://www.securityfocus.com/bid/13785 vdb-entryx_refsource_BIDVendor Advisory
- https://access.redhat.com/security/cve/CVE-2005-1797 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2005-1797
- https://www.cve.org/CVERecord?id=CVE-2005-1797
| Link | Providers | Tags |
|---|---|---|
| http://cr.yp.to/antiforgery/cachetiming-20050414.pdf | x_refsource_MISCVendor Advisory | |
| http://www.securityfocus.com/bid/13785 | vdb-entryx_refsource_BIDVendor Advisory | |
| https://access.redhat.com/security/cve/CVE-2005-1797 | Vendor Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2005-1797 | ||
| https://www.cve.org/CVERecord?id=CVE-2005-1797 |
Change history (0)
No recorded changes yet.