7.5

CVE-2021-30047: vsftpd_project vsftpd

CVSS: 7.5v3.1HighModified
Published 22-08-2023Last modified 03-10-2024
Open JSON

Vulnerability summary

CVE-2021-30047 is a high (CVSS 7.5) vulnerability in vsftpd_project vsftpd. EPSS estimates a 3.21% chance of exploitation in the next 30 days, higher than 88% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
41/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
3.21%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1exploit-database

Timeline

  1. 22-08-2023
    PublishedVulnerability first disclosed.
  2. 03-10-2024
    Last modifiedVulnerability information updated.

Description

VSFTPD 3.0.3 allows attackers to cause a denial of service due to limited number of connections allowed.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

3.21%

Chance of exploitation in the next 30 days

Percentile

88%

Versus all other CVEs

30-day change

0.00 pp

From 3.21% on 21-09-2026

21-09-202621-10-2026
EPSS score
3.21%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • exploit-databaseremotemultipleVerified

    vsftpd 3.0.3 - Remote Denial of Service

    Maturity: weaponized

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Vsftpd_project1 product

1 vendor · 1 product

References

1 links