6.4

CVE-2021-20440: ibm api_connect

CVSS: 6.4v3.0MediumModified
Published 15-03-2021Last modified 16-09-2024
Open JSON

Vulnerability summary

CVE-2021-20440 is a medium (CVSS 6.4) vulnerability in ibm api_connect. EPSS estimates a 0.71% chance of exploitation in the next 30 days, higher than 52.8% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.4/10
010
Medium · v3.0 (CVE.org)
EPSS score
0.71%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 15-03-2021
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

IBM API Connect 10.0.0.0, and 2018.4.1.0 through 2018.4.1.13 does not restrict member registration to the intended recepient. An attacker who is a valid user in the user registry used by API Manager can use a stolen invitation link and register themselves as a member of an API provider organization. IBM X-Force ID: 196536.

CVSS metrics

4 scores · 2 sources · 3 versions

EPSS trend

Probability

0.71%

Chance of exploitation in the next 30 days

Percentile

53%

Versus all other CVEs

30-day change

+0.02 pp

From 0.69% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.71%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Ibm1 product
  • api_connect2018.4.1.0 | 2018.4.1.13 | ≥ 2018.4.1.0, ≤ 2018.4.1.13 | 10.0.0.0

1 vendor · 1 product

References

2 links