CVE-2021-3393 | Date: (C)2021-03-29 (M)2023-12-22 |
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.
CVSS Score and Metrics +CVSS Score and Metrics -CVSS V3 Severity: | CVSS V2 Severity: |
CVSS Score : 4.3 | CVSS Score : 3.5 |
Exploit Score: 2.8 | Exploit Score: 6.8 |
Impact Score: 1.4 | Impact Score: 2.9 |
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CVSS V3 Metrics: | CVSS V2 Metrics: |
Attack Vector: NETWORK | Access Vector: NETWORK |
Attack Complexity: LOW | Access Complexity: MEDIUM |
Privileges Required: LOW | Authentication: SINGLE |
User Interaction: NONE | Confidentiality: PARTIAL |
Scope: UNCHANGED | Integrity: NONE |
Confidentiality: LOW | Availability: NONE |
Integrity: NONE | |
Availability: NONE | |
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