9.8

CVE-2020-20703: vim Classic Buffer Overflow

CVSS: 9.8v3.1CriticalModified
AliasesUBUNTU-CVE-2020-20703DEBIAN-CVE-2020-20703
Published 20-06-2023Last modified 10-12-2024

Vulnerability summary

CVE-2020-20703 is a critical (CVSS 9.8) Classic Buffer Overflow vulnerability in vim. EPSS estimates a 1.51% chance of exploitation in the next 30 days, higher than 74.1% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
1.51%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 20-06-2023
    PublishedVulnerability first disclosed.
  2. 10-12-2024
    Last modifiedVulnerability information updated.

Description

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

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

1.51%

Chance of exploitation in the next 30 days

Percentile

74%

Versus all other CVEs

30-day change

0.00 pp

From 1.51% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.51%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Vim

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • vim< 2:8.1.2136-1
Ubuntu1 product
  • vim< 2:8.1.2269-1ubuntu5 | < 2:8.2.3995-1ubuntu2
Vim1 product

3 vendors · 3 products

References

4 links