CVE-2016-7798

Openssl vulnerability

CVSS

7.5

EPSS

3.2%

EPSS pct

87th

Exploited

No known

The openssl gem for Ruby uses the same initialization vector (IV) in GCM Mode (aes-*-gcm) when the IV is set before the key, which makes it easier for context-dependent attackers to bypass the encryption protection mechanism.

Affected vendor

Ruby Lang

Affected product

Openssl

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness type (CWE)

CWE-326 — Inadequate Encryption Strength

Published

2017-01-30

Risk analysis

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

Its EPSS score of 3.2% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 87% of all scored CVEs.

Check your external exposure to CVE-2016-7798

Confirm whether Ruby Lang Openssl is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2016-7798.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2016-7798

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2016-7798 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-2016-7798?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2016-7798.

Start free scan

No credit card. Agentless.

Related vulnerabilities

HIGH

CVE-2015-1486

Endpoint Protection Manager vulnerability

HIGH

CVE-2015-5127

Flash Player vulnerability

HIGH

CVE-2015-5130

Evergreen vulnerability