Is CVE-2015-7940 actively exploited?

CVE-2015-7940 has no public evidence of in-the-wild exploitation as of 2025-04-12.

What is the CVSS score for CVE-2015-7940?

CVE-2015-7940 has a CVSS score of 5 (UNKNOWN severity). Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N.

How do I patch CVE-2015-7940?

Patch guidance is available from opensuse security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2015-7940.

CVE-2015-7940 - remediation guidance & executive summary

Q: Which products are affected by CVE-2015-7940?

12 products: opensuse leap, opensuse opensuse, opensuse opensuse, bouncycastle bouncy castle crypto package, oracle application testing suite, and 7 more.

Description

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."

CVSS Metrics

Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N
Access Vector: network
Access Cmplx: low
Auth: none
Confidentiality: partial
Integrity: none
Availability: none
Weaknesses: CWE-200 · Information Disclosure CWE-310

Metadata

Primary Vendor: OPENSUSE
Published: 11/9/2015
Last Modified: 4/12/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

opensuse : leapopensuse : opensuseopensuse : opensusebouncycastle : bouncy_castle_crypto_packageoracle : application_testing_suiteoracle : application_testing_suiteoracle : application_testing_suiteoracle : enterprise_manager_ops_centeroracle : enterprise_manager_ops_centeroracle : peoplesoft_enterprise_peopletoolsoracle : peoplesoft_enterprise_peopletoolsoracle : virtual_desktop_infrastructure

Remediation Guidance

Executive Summary

View on NIST NVD