A cryptographic cache-based side channel in the RSA implementation in Botan before 1.10.17, and 1.11.x and 2.x before 2.3.0, allows a local attacker to recover information about RSA secret keys, as demonstrated by CacheD. This occurs because an array is indexed with bits derived from a secret key.
Conclusion & alert: CVE-2017-14737 is rated Low Risk (26.6/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.05%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-03-17 | 0.04% | 0.05% | +0.01% |
| 2 | 2023-03-07 | 0.89% | 0.04% | -0.85% |
| 3 | 2022-02-04 | — | 0.89% | — |
Full EPSS history (5 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.5 | 3.1 | MEDIUM |
|
1.8 | 3.6 | [email protected] |
| 2.1 | 2.0 | LOW |
|
3.9 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
suse
|
medium | CVE-2017-14737 severity moderate: SUSE including 9 source package names (Botan-2.18.1-1.3, Botan-doc-2.18.1-1.3, …), 15 product×package rows across 5 product lines (SUSE Linux Enterprise Software Development Kit 12 SP2, SUSE Linux Enterprise Software Development Kit 12 SP3, … (5 product lines)): Fixed 15. | https://www.suse.com/security/cve/CVE-2017-14737/ |
ubuntu
|
medium | CVE-2017-14737 medium priority: Ubuntu including 1 source packages (botan1.10), 19 status rows across 19 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial, zesty): DNE 12, ignored 2, not-affected 2, released 2, needed 1. | https://ubuntu.com/security/CVE-2017-14737 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| botan_project | botan | <= 1.10.16 | cpe:2.3:a:botan_project:botan:*:*:*:*:*:*:*:* |
| botan_project | botan | 1.11.0 | cpe:2.3:a:botan_project:botan:1.11.0:*:*:*:*:*:*:* |
| botan_project | botan | 1.11.1 | cpe:2.3:a:botan_project:botan:1.11.1:*:*:*:*:*:*:* |
| botan_project | botan | 1.11.2 | cpe:2.3:a:botan_project:botan:1.11.2:*:*:*:*:*:*:* |
| botan_project | botan | 1.11.3 | cpe:2.3:a:botan_project:botan:1.11.3:*:*:*:*:*:*:* |
| botan_project | botan | 1.11.4 | cpe:2.3:a:botan_project:botan:1.11.4:*:*:*:*:*:*:* |
| botan_project | botan | 1.11.5 | cpe:2.3:a:botan_project:botan:1.11.5:*:*:*:*:*:*:* |
| botan_project | botan | 1.11.6 | cpe:2.3:a:botan_project:botan:1.11.6:*:*:*:*:*:*:* |
| botan_project | botan | 1.11.7 | cpe:2.3:a:botan_project:botan:1.11.7:*:*:*:*:*:*:* |
| botan_project | botan | 1.11.8 | cpe:2.3:a:botan_project:botan:1.11.8:*:*:*:*:*:*:* |
| botan_project | botan | 1.11.9 | cpe:2.3:a:botan_project:botan:1.11.9:*:*:*:*:*:*:* |
| botan_project | botan | 1.11.10 | cpe:2.3:a:botan_project:botan:1.11.10:*:*:*:*:*:*:* |
| botan_project | botan | 1.11.11 | cpe:2.3:a:botan_project:botan:1.11.11:*:*:*:*:*:*:* |
| botan_project | botan | 1.11.12 | cpe:2.3:a:botan_project:botan:1.11.12:*:*:*:*:*:*:* |
| botan_project | botan | 1.11.13 | cpe:2.3:a:botan_project:botan:1.11.13:*:*:*:*:*:*:* |
| botan_project | botan | 1.11.14 | cpe:2.3:a:botan_project:botan:1.11.14:*:*:*:*:*:*:* |
| botan_project | botan | 1.11.15 | cpe:2.3:a:botan_project:botan:1.11.15:*:*:*:*:*:*:* |
| botan_project | botan | 1.11.16 | cpe:2.3:a:botan_project:botan:1.11.16:*:*:*:*:*:*:* |
| botan_project | botan | 1.11.17 | cpe:2.3:a:botan_project:botan:1.11.17:*:*:*:*:*:*:* |
| botan_project | botan | 1.11.18 | cpe:2.3:a:botan_project:botan:1.11.18:*:*:*:*:*:*:* |
| botan_project | botan | 1.11.19 | cpe:2.3:a:botan_project:botan:1.11.19:*:*:*:*:*:*:* |
| botan_project | botan | 1.11.20 | cpe:2.3:a:botan_project:botan:1.11.20:*:*:*:*:*:*:* |
| botan_project | botan | 1.11.21 | cpe:2.3:a:botan_project:botan:1.11.21:*:*:*:*:*:*:* |
| botan_project | botan | 1.11.22 | cpe:2.3:a:botan_project:botan:1.11.22:*:*:*:*:*:*:* |
| botan_project | botan | 1.11.23 | cpe:2.3:a:botan_project:botan:1.11.23:*:*:*:*:*:*:* |
| botan_project | botan | 1.11.24 | cpe:2.3:a:botan_project:botan:1.11.24:*:*:*:*:*:*:* |
| botan_project | botan | 1.11.25 | cpe:2.3:a:botan_project:botan:1.11.25:*:*:*:*:*:*:* |
| botan_project | botan | 1.11.26 | cpe:2.3:a:botan_project:botan:1.11.26:*:*:*:*:*:*:* |
| botan_project | botan | 1.11.27 | cpe:2.3:a:botan_project:botan:1.11.27:*:*:*:*:*:*:* |
| botan_project | botan | 1.11.28 | cpe:2.3:a:botan_project:botan:1.11.28:*:*:*:*:*:*:* |
| botan_project | botan | 1.11.33 | cpe:2.3:a:botan_project:botan:1.11.33:*:*:*:*:*:*:* |
| botan_project | botan | 1.11.34 | cpe:2.3:a:botan_project:botan:1.11.34:*:*:*:*:*:*:* |
| botan_project | botan | 2.0.0 | cpe:2.3:a:botan_project:botan:2.0.0:*:*:*:*:*:*:* |
| botan_project | botan | 2.0.1 | cpe:2.3:a:botan_project:botan:2.0.1:*:*:*:*:*:*:* |
| botan_project | botan | 2.1.0 | cpe:2.3:a:botan_project:botan:2.1.0:*:*:*:*:*:*:* |
| botan_project | botan | 2.2.0 | cpe:2.3:a:botan_project:botan:2.2.0:*:*:*:*:*:*:* |
| debian | debian_linux | 9.0 | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://github.com/randombit/botan/issues/1222 | Issue Tracking Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2021/11/msg00006.html | Mailing List Third Party Advisory |
| https://www.usenix.org/conference/usenixsecurity17/technical-sessions/presentation/wang-shuai | Third Party Advisory |