What is CVE-2020-20703?

CVE-2020-20703 is a critical-severity vulnerability in Vim, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2023-06-20.

How severe is CVE-2020-20703?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Vim

CVE-2020-20703

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

Vulnerability class: Buffer Overflow

EPSS: 0.015 (71.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Vim — versions 8.1.2135
N/a — versions n/a

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

cve@mitre.org (Exploit, Patch, Issue Tracking)

Frequently asked questions

What is CVE-2020-20703?: CVE-2020-20703 is a critical-severity vulnerability in Vim, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2023-06-20.
How severe is CVE-2020-20703?: Critical severity. CVSS v3 base score is 9.8 out of 10.