Is CVE-2016-7798 in the CISA KEV catalog?

No. CVE-2016-7798 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2016-7798?

CVE-2016-7798 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2016-7798?

CVE-2016-7798 has an EPSS score of 3.17% (87th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2016-7798?

Upgrade ruby-attr-encrypted on debian 11 to 3.0.1-2 or later. Fixes are available for 7 affected products.

CVE & CISA-KEV Catalog

CVE-2016-7798

HIGHEPSS 87th pctl

7.5

CVSS v3

NVD

Description

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.

CWE-326

How to fix

Remediation Available

ruby-attr-encryptedDebian

Fixed in:3.0.1-2CVE-2016-7798

libruby1.9.1Ubuntu

Fixed in:1.9.3.484-2ubuntu1.3USN-3365-1

libruby2.0Ubuntu

Fixed in:2.0.0.484-1ubuntu2.4USN-3365-1

libruby2.3Ubuntu

Fixed in:2.3.1-2~16.04.2USN-3365-1

ruby1.9.1Ubuntu

Fixed in:1.9.3.484-2ubuntu1.3USN-3365-1

ruby2.0Ubuntu

Fixed in:2.0.0.484-1ubuntu2.4USN-3365-1

ruby2.3Ubuntu

Fixed in:2.3.1-2~16.04.2USN-3365-1

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

3.17%probability of exploitation in 30 days

87thpercentile

Elevated risk: more likely to be exploited than 87% of all known CVEs.

References

Patch2

Exploit1

github.com

Third-Party Advisory5

Related Vulnerabilities

Other CWE-326 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-0224	High	7.4	95%	-	Fix
CVE-2017-1000486	Critical	9.8	94%	KEV	Fix
CVE-2013-2566	Medium	5.9	84%	-	Fix
CVE-2017-11317	Critical	9.8	83%	KEV	-
CVE-2018-18325	High	7.5	74%	KEV	-
CVE-2018-15811	High	7.5	74%	KEV	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-13.