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CRITICAL

CVE-2020-20703

CVSS v3

9.8

CRITICAL

EPSS Score

1.5 %

exploit probability, as of 2026-10-20

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

  • CVE-2020-20703 Red Hat Product Security12 known affected

    vim: buffer overflow

    vim-X11 as a component of Red Hat Enterprise Linux 8 · vim-common as a component of Red Hat Enterprise Linux 8 · vim-enhanced as a component of Red Hat Enterprise Linux 8

Full record on NVD

Description

Buffer Overflow vulnerability in VIM v.8.1.2135 allows a remote attacker to execute arbitrary code via the operand parameter.

Technical details

Published
2023-06-20

Frequently asked questions

What is CVE-2020-20703?

Buffer Overflow vulnerability in VIM v.8.1.2135 allows a remote attacker to execute arbitrary code via the operand parameter.

Is CVE-2020-20703 actively exploited?

Active exploitation of CVE-2020-20703 has not been confirmed. Its EPSS score was 1.5% on 2026-10-20, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-20703?

CVE-2020-20703 has a CVSS v3 base score of 9.8 (CRITICAL severity).

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