CVE-2021-32028: postgresql
CVSS: 6.5v3.1MediumModified
AliasesALPINE-CVE-2021-32028UBUNTU-CVE-2021-32028DEBIAN-CVE-2021-32028
Published 11-10-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-32028 is a medium (CVSS 6.5) vulnerability in postgresql. EPSS estimates a 1.56% chance of exploitation in the next 30 days, higher than 74.8% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.1 (NVD)EPSS score
1.56%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 37 · Related 23DLA-2662-1DSA-4915-1OPENSUSE-SU-2021:0894-1OPENSUSE-SU-2021:1785-1OPENSUSE-SU-2021:1970-1OPENSUSE-SU-2021:1994-1OPENSUSE-SU-2024:11184-1OPENSUSE-SU-2024:11185-1OPENSUSE-SU-2024:11186-1OPENSUSE-SU-2024:11187-1OPENSUSE-SU-2024:12387-1OPENSUSE-SU-2024:13243-1OPENSUSE-SU-2024:14360-1OPENSUSE-SU-2025:15580-1RHSA-2021:2360RHSA-2021:2361RHSA-2021:2372RHSA-2021:2375RHSA-2021:2389RHSA-2021:2390RHSA-2021:2391RHSA-2021:2392RHSA-2021:2393RHSA-2021:2394RHSA-2021:2395RHSA-2021:2396SUSE-SU-2021:1782-1SUSE-SU-2021:1783-1SUSE-SU-2021:1784-1SUSE-SU-2021:1785-1SUSE-SU-2021:1785-2SUSE-SU-2021:1970-1SUSE-SU-2021:1994-1SUSE-SU-2021:2777-1SUSE-SU-2021:3481-1SUSE-SU-2022:2958-1USN-4972-1
Timeline
- 11-10-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
5 scores · 4 sources · 2 versionsMedium 6.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NSourcesAll 4 agree
- OSV · AlpineEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Medium 4.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:S/C:P/I:N/A:NSourcesSingle source
EPSS trend
Probability
1.56%
Chance of exploitation in the next 30 days
Percentile
75%
Versus all other CVEs
30-day change
0.00 pp
From 1.56% on 19-09-2026
19-09-202619-10-2026
EPSS score1.56%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Alpine4 products
- postgresql≥ 9.6.0, < 11.12-r0 | ≥ 9.6.0, < 12.7-r0 | ≥ 9.6.0, < 13.3-r0
- postgresql13< 13.3-r0
- postgresql14< 13.3-r0
- postgresql15< 13.3-r0
Ubuntu4 products
- postgresql-10< 10.17-0ubuntu0.18.04.1
- postgresql-12< 12.7-0ubuntu0.20.04.1
- postgresql-9.3All versions (No fix recorded)
- postgresql-9.5All versions (No fix recorded)
Debian1 product
- postgresql-13< 13.3-1
Postgresql1 product
- postgresql≥ 9.6.0, < 9.6.22 | ≥ 10.0, < 10.17 | ≥ 11.0, < 11.12 | ≥ 12.0, < 12.7 | ≥ 13.0, < 13.3
4 vendors · 10 products
References
11 links- www.postgresql.org/support/security/CVE-2021-32028Vendor Advisory
- security.netapp.com/advisory/ntap-20211112-0003/Third Party Advisory
