How severe is CVE-2022-1420?

CVE-2022-1420 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2022-1420 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-1420?

CVE-2022-1420 primarily affects Vim. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-1420?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-1420 published?

CVE-2022-1420 was published on 2022-04-21 and last updated on 2026-06-17.

CVE-2022-1420

CVE-2022-1420 is a medium-severity vulnerability in Vim with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-823.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-823
Affected product: Vim
Published: 2022-04-21
Last modified: 2026-06-17

Description

Use of Out-of-range Pointer Offset in GitHub repository vim/vim prior to 8.2.4774.

Frequently asked questions

What is CVE-2022-1420?: Use of Out-of-range Pointer Offset in GitHub repository vim/vim prior to 8.2.4774.
How severe is CVE-2022-1420?: CVE-2022-1420 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2022-1420 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-1420?: CVE-2022-1420 primarily affects Vim. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-1420?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-1420 published?: CVE-2022-1420 was published on 2022-04-21 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:vim:vim:*:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*

More vulnerabilities in Vim

CVE-2020-20703 — Critical (CVSS 9.8): Buffer Overflow vulnerability in VIM v.8.1.2135 allows a remote attacker to execute arbitrary code via the operand…
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CVE-2022-0729 — High (CVSS 8.8): Use of Out-of-range Pointer Offset in GitHub repository vim/vim prior to 8.2.4440.
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