MEDIUM
The RSA-CRT implementation in PolarSSL before 1.2.9 does not properly perform Montgomery multiplication, which might allow remote attackers to conduct a timing side-channel attack and retrieve RSA private keys
Published Oct 4, 2013
4.3
MEDIUMCVSS 2.0
EPSS 2.14%
Description
The RSA-CRT implementation in PolarSSL before 1.2.9 does not properly perform Montgomery multiplication, which might allow remote attackers to conduct a timing side-channel attack and retrieve RSA private keys.
Affected products
No data.
OR
- ≤ 1.2.8
- 0.10.0
- 0.10.1
- 0.11.0
- 0.11.1
- 0.12.0
- 0.12.1
- 0.13.1
- 0.14.0
- 0.14.2
- 0.14.3
- 0.99
- 0.99
- 0.99
- 0.99
- 1.0.0
- 1.1.0
- 1.1.0
- 1.1.0
- 1.1.1
- 1.1.2
- 1.1.3
- 1.1.4
- 1.1.5
- 1.1.6
- 1.1.8
- 1.2.0
- 1.2.1
- 1.2.2
- 1.2.3
- 1.2.4
- 1.2.5
- 1.2.6
- 1.2.7
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.
4.3 MEDIUM NVD
AV:N/AC:M/Au:N/C:P/I:N/A:N
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
2.14% 0.02143
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.02143
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 | 2.14% (0.02143) | 81.40th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.14% (0.02143) | 79.62th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.69% (0.00688) | 70.07th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.46% (0.00458) | 76.13th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.46% (0.00458) | 74.57th | v3 (v2023.03.01) |
| May 17, 2023 | 0.46% (0.00458) | 71.66th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.45% (0.00450) | 71.15th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.41% (0.01408) | 72.89th | v2 (v2022.01.01) |
| Mar 2, 2023 | 1.41% (0.01408) | 72.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.41% (0.01408) | 70.87th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.41% (0.01408) | 49.94th | v2 (v2022.01.01) |
Weaknesses (1)
References (8)
- http://lists.fedoraproject.org/pipermail/package-announce/2013-October/118758.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2013-October/119014.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2013-October/119018.html vendor-advisoryx_refsource_FEDORA
- http://osvdb.org/98049 vdb-entryx_refsource_OSVDB
- http://secunia.com/advisories/55084 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://www.debian.org/security/2013/dsa-2782 vendor-advisoryx_refsource_DEBIAN
- http://www.securityfocus.com/bid/62771 vdb-entryx_refsource_BID
- https://polarssl.org/tech-updates/security-advisories/polarssl-security-advisory-2013-05 x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://lists.fedoraproject.org/pipermail/package-announce/2013-October/118758.html | vendor-advisoryx_refsource_FEDORA | |
| http://lists.fedoraproject.org/pipermail/package-announce/2013-October/119014.html | vendor-advisoryx_refsource_FEDORA | |
| http://lists.fedoraproject.org/pipermail/package-announce/2013-October/119018.html | vendor-advisoryx_refsource_FEDORA | |
| http://osvdb.org/98049 | vdb-entryx_refsource_OSVDB | |
| http://secunia.com/advisories/55084 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://www.debian.org/security/2013/dsa-2782 | vendor-advisoryx_refsource_DEBIAN | |
| http://www.securityfocus.com/bid/62771 | vdb-entryx_refsource_BID | |
| https://polarssl.org/tech-updates/security-advisories/polarssl-security-advisory-2013-05 | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Oct 4, 2013
Updated Aug 6, 2024
Reserved Sep 19, 2013
Link CVE-2013-5915
CISA Vulnrichment
Updated n/a