CVE-2021-3393 in PostgreSQL and Red Hat Products
Published on April 1, 2021
An information leak was discovered in postgresql in versions before 13.2, before 12.6 and before 11.11. A user having UPDATE permission but not SELECT permission to a particular column could craft queries which, under some circumstances, might disclose values from that column in error messages. An attacker could use this flaw to obtain information stored in a column they are allowed to write but not read.
Weakness Type
Generation of Error Message Containing Sensitive Information
The software generates an error message that includes sensitive information about its environment, users, or associated data.
Products Associated with CVE-2021-3393
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Exploit Probability
EPSS
0.10%
Percentile
28.54%
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.