Is CVE-2019-7303 in the CISA KEV catalog?

No. CVE-2019-7303 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-7303?

CVE-2019-7303 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2019-7303?

CVE-2019-7303 has an EPSS score of 3.70% (89th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-7303?

Upgrade snapd on debian 11 to 2.37.4-1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2019-7303

HIGHEPSS 89th pctl

7.5

CVSS v3

NVD

Description

A vulnerability in the seccomp filters of Canonical snapd before version 2.37.4 allows a strict mode snap to insert characters into a terminal on a 64-bit host. The seccomp rules were generated to match 64-bit ioctl(2) commands on a 64-bit platform; however, the Linux kernel only uses the lower 32 bits to determine which ioctl(2) commands to run. This issue affects: Canonical snapd versions prior to 2.37.4.

CWE-628

How to fix

Remediation Available

snapdDebian

Fixed in:2.37.4-1CVE-2019-7303

snapdUbuntu

Fixed in:2.37.4~14.04.1USN-3917-1

Fixed in:2.37.4ubuntu0.1USN-3917-1

Fixed in:2.37.4+18.04.1USN-3917-1

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

ConfidentialityNone

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

3.70%probability of exploitation in 30 days

89thpercentile

Elevated risk: more likely to be exploited than 89% of all known CVEs.

References

Exploit1

exploit-db.com

Third-Party Advisory1

usn.ubuntu.com

Related Vulnerabilities

Other CWE-628 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2019-14844	High	7.5	4.4%	-	-
CVE-2025-0325	Medium	4.3	0.3%	-	-
CVE-2026-25634	High	7.8	0.2%	-	Fix
CVE-2026-21503	Medium	6.1	0.2%	-	Fix
CVE-2026-43133	High	7.9	0.1%	-	Fix

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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 2024-11-21.