Vulnerability · Published Jul 16, 2021 · Assigned by ibm

CVE-2020-4821

Medium 5.9

In plain English

A medium-severity security flaw in InfoSphere Change Data Capture for z/OS from IBM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.0% (higher than 81% of all known vulnerabilities).

Severity (CVSS 3.0)5.9Medium
Exploit odds (30 days)2.0%top 19.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

IBM InfoSphere Data Replication 11.4 and IBM InfoSphere Change Data Capture for z/OS 10.2.1, under certain configurations, could allow a user to bypass authentication mechanisms using an empty password string. IBM X-Force ID: 189834

Affected products (as reported)

References