Information disclosure in PostgreSQL
CVE-2021-32028
A flaw was found in postgresql. Using an INSERT ... ON CONFLICT ... DO UPDATE command on a purpose-crafted table, an authenticated database user could read arbitrary bytes of server memory. The highest threat from this vulnerability is to data confidentiality.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.016 (74.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 74.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000
Affected products
- PostgreSQL
- PostgreSQL — versions postgresql 13.3, postgresql 12.7, postgresql 11.12, postgresql 10.17, postgresql 9.6.22
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- www.postgresql.org/support/security/CVE-2021-32028 (Vendor Advisory)
- security.netapp.com/advisory/ntap-20211112-0003/ (Third Party Advisory)
- security.gentoo.org/glsa/202211-04 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-32028?
- CVE-2021-32028 is a medium-severity vulnerability in PostgreSQL, classified under Information Disclosure. CVSS score: 6.5/10. Published 2021-10-11.
- How severe is CVE-2021-32028?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2021-32028 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.