Is CVE-2022-1242 in the CISA KEV catalog?

No. CVE-2022-1242 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-1242?

CVE-2022-1242 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2022-1242?

CVE-2022-1242 has an EPSS score of 0.23% (14th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-1242?

Upgrade apport on ubuntu 16.04 to 2.20.1-0ubuntu2.30+esm4 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2022-1242

HIGH

7.8

CVSS v3

NVD

Description

Apport can be tricked into connecting to arbitrary sockets as the root user

CWE-20Improper Input Validation

How to fix

Remediation Available

apportUbuntu

Fixed in:2.20.1-0ubuntu2.30+esm4USN-6894-1

Fixed in:2.20.9-0ubuntu7.28USN-5427-1

Fixed in:2.20.11-0ubuntu27.24USN-5427-1

Fixed in:2.20.11-0ubuntu82.1USN-5427-1

python-apportUbuntu

Fixed in:2.20.1-0ubuntu2.30+esm4USN-6894-1

python3-apportUbuntu

Fixed in:2.20.1-0ubuntu2.30+esm4USN-6894-1

Fixed in:2.20.9-0ubuntu7.28USN-5427-1

Fixed in:2.20.11-0ubuntu27.24USN-5427-1

Fixed in:2.20.11-0ubuntu82.1USN-5427-1

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 VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.23%probability of exploitation in 30 days

14thpercentile

Low risk: more likely to be exploited than 14% of all known CVEs.

References

Third-Party Advisory2

Related Vulnerabilities

Other CWE-20 (Improper Input Validation) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-3400	Critical	10.0	100%	KEV + Ransom	-
CVE-2021-45105	Medium	5.9	100%	-	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2021-21985	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2018-7600	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-3452	High	7.5	100%	KEV	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 2025-08-22.