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Vulnerability details: VCID-ms1p-axem-uyaj
Vulnerability ID VCID-ms1p-axem-uyaj
Aliases CVE-2020-20703
Summary Buffer Overflow vulnerability in VIM v.8.1.2135 allows a remote attacker to execute arbitrary code via the operand parameter.
Status Published
Exploitability 0.5
Weighted Severity 8.8
Risk 4.4
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-787 Out-of-bounds Write
System Score Found at
cvssv3 5.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-20703.json
epss 0.03907 https://api.first.org/data/v1/epss?cve=CVE-2020-20703
epss 0.03907 https://api.first.org/data/v1/epss?cve=CVE-2020-20703
epss 0.03907 https://api.first.org/data/v1/epss?cve=CVE-2020-20703
cvssv3.1 9.8 https://github.com/vim/vim/issues/5041
ssvc Track https://github.com/vim/vim/issues/5041
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-20703.json
https://api.first.org/data/v1/epss?cve=CVE-2020-20703
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-20703
2216287 https://bugzilla.redhat.com/show_bug.cgi?id=2216287
5041 https://github.com/vim/vim/issues/5041
No exploits are available.
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-20703.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/vim/vim/issues/5041
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:Y/T:T/P:M/B:A/M:M/D:T/2024-12-10T18:01:25Z/ Found at https://github.com/vim/vim/issues/5041
Exploit Prediction Scoring System (EPSS)
Percentile 0.88559
EPSS Score 0.03907
Published At June 11, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-11T17:31:34.008291+00:00 Vulnrichment Import https://github.com/cisagov/vulnrichment/blob/develop/2020/20xxx/CVE-2020-20703.json 38.6.0