THREATPORT/VULNERABILITY/CVE-2015-7940
MEDIUM SEVERITY

CVE-2015-7940

Leap vulnerability

CVSS
5.0
EPSS
4.8%
EPSS pct
91th
Exploited
No known
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."
Affected vendor
Opensuse
Affected product
Leap
CVSS vector
AV:N/AC:L/Au:N/C:P/I:N/A:N
Weakness type (CWE)
Published
2015-11-09

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to partial impact to confidentiality.

Its EPSS score of 4.8% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 91% of all scored CVEs.

Check your external exposure to CVE-2015-7940

  • Confirm whether Opensuse Leap is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2015-7940.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2015-7940

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2015-7940 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

Run a free external exposure scan

Are you exposed to CVE-2015-7940?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2015-7940.

Start free scan

No credit card. Agentless.

Related vulnerabilities

MEDIUM
CVE-2026-20148
Identity Services Engine vulnerability
MEDIUM
CVE-2026-6770
Firefox vulnerability
MEDIUM
CVE-2026-40343
Free5gc vulnerability