GHSA-4mv7-cq75-3qjm · Severity: medium · Ecosystem: maven — Moderate severity vulnerability that affects org.bouncycastle:bcprov-jdk14 and org.bouncycastle:bcprov-jdk15
The Bouncy Castle Java library before 1.51 does not validate a point is withing the elliptic curve, which makes it easier for remote attackers to obtain private keys via a series of crafted elliptic curve Diffie Hellman (ECDH) key exchanges, aka an "invalid curve attack."
Conclusion & alert: CVE-2015-7940 is rated Moderate Risk (46.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.02%). Mandatory action: Review affected assets and schedule remediation.
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 | 2025-10-18 | 1.12% | 1.02% | -0.11% |
| 2 | 2025-06-27 | 0.75% | 1.12% | +0.38% |
| 3 | 2025-04-22 | — | 0.75% | — |
Full EPSS history (11 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
GHSA-4mv7-cq75-3qjm · Severity: medium · Ecosystem: maven — Moderate severity vulnerability that affects org.bouncycastle:bcprov-jdk14 and org.bouncycastle:bcprov-jdk15
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2015-7940 not yet assigned priority: Debian including 1 source packages (bouncycastle), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2015-7940 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2015-7940 |
suse
|
high | CVE-2015-7940 severity important: SUSE including 26 source package names (bouncycastle-1.54-1.2, bouncycastle-1.64-1.63, …), 28 product×package rows across 8 product lines (SUSE Linux Enterprise Module for Development Tools 15 SP2, SUSE Linux Enterprise Module for Development Tools 15 SP3, … (8 product lines)): Fixed 28. | https://www.suse.com/security/cve/CVE-2015-7940/ |
ubuntu
|
low | CVE-2015-7940 low priority: Ubuntu including 1 source packages (bouncycastle), 10 status rows across 10 suites (artful, bionic, precise, trusty, upstream, vivid, wily, xenial, yakkety, zesty): ignored 5, not-affected 3, released 2. | https://ubuntu.com/security/CVE-2015-7940 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| opensuse | leap | 42.1 | cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:* |
| opensuse | opensuse | 13.1 | cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:* |
| opensuse | opensuse | 13.2 | cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:* |
| bouncycastle | bouncy_castle_crypto_package | <= 1.50 | cpe:2.3:a:bouncycastle:bouncy_castle_crypto_package:*:*:*:*:*:*:*:* |
| oracle | application_testing_suite | 12.5.0.1 | cpe:2.3:a:oracle:application_testing_suite:12.5.0.1:*:*:*:*:*:*:* |
| oracle | application_testing_suite | 12.5.0.2 | cpe:2.3:a:oracle:application_testing_suite:12.5.0.2:*:*:*:*:*:*:* |
| oracle | application_testing_suite | 12.5.0.3 | cpe:2.3:a:oracle:application_testing_suite:12.5.0.3:*:*:*:*:*:*:* |
| oracle | enterprise_manager_ops_center | 12.1.4 | cpe:2.3:a:oracle:enterprise_manager_ops_center:12.1.4:*:*:*:*:*:*:* |
| oracle | enterprise_manager_ops_center | 12.2.2 | cpe:2.3:a:oracle:enterprise_manager_ops_center:12.2.2:*:*:*:*:*:*:* |
| oracle | peoplesoft_enterprise_peopletools | 8.54 | cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.54:*:*:*:*:*:*:* |
| oracle | peoplesoft_enterprise_peopletools | 8.55 | cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.55:*:*:*:*:*:*:* |
| oracle | virtual_desktop_infrastructure | 3.5.2 | cpe:2.3:a:oracle:virtual_desktop_infrastructure:3.5.2:*:*:*:*:*:*:* |