6.5

CVE-2020-4828: ibm api_connect Improper Input Validation

CVSS: 6.5v3.0MediumModified
Published 04-02-2021Last modified 16-09-2024

Vulnerability summary

CVE-2020-4828 is a medium (CVSS 6.5) Improper Input Validation vulnerability in ibm api_connect. EPSS estimates a 0.81% chance of exploitation in the next 30 days, higher than 56.5% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.0 (CVE.org)
EPSS score
0.81%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 04-02-2021
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

IBM API Connect 10.0.0.0 through 10.0.1.0 and 2018.4.1.0 through 2018.4.1.13 is vulnerable to web cache poisoning, caused by improper input validation by modifying HTTP request headers. IBM X-Force ID: 189842.

CVSS metrics

4 scores · 2 sources · 3 versions

EPSS trend

Probability

0.81%

Chance of exploitation in the next 30 days

Percentile

57%

Versus all other CVEs

30-day change

0.00 pp

From 0.81% on 22-09-2026

22-09-202622-10-2026
EPSS score
0.81%

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

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 | 10.0.1.0

1 vendor · 1 product

References

2 links