Is CVE-2021-32027 in the CISA KEV catalog?

No. CVE-2021-32027 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-32027?

CVE-2021-32027 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2021-32027?

CVE-2021-32027 has an EPSS score of 1.99% (78th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-32027?

Upgrade postgresql-13 on debian 11 to 13.3-1 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2021-32027

HIGHEPSS 78th pctl

8.8

CVSS v3

NVD

Description

A flaw was found in postgresql in versions before 13.3, before 12.7, before 11.12, before 10.17 and before 9.6.22. While modifying certain SQL array values, missing bounds checks let authenticated database users write arbitrary bytes to a wide area of server memory. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

CWE-190Integer Overflow

How to fix

Remediation Available

postgresql-13Debian

Fixed in:13.3-1CVE-2021-32027

postgresql-10Ubuntu

Fixed in:10.17-0ubuntu0.18.04.1USN-4972-1

postgresql-12Ubuntu

Fixed in:12.7-0ubuntu0.20.04.1USN-4972-1

postgresql-9.5Ubuntu

Fixed in:9.5.25-0ubuntu0.16.04.1+esm1USN-5645-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

1.99%probability of exploitation in 30 days

78thpercentile

Elevated risk: more likely to be exploited than 78% of all known CVEs.

References

Patch1

bugzilla.redhat.com

Vendor Advisory1

postgresql.org

Third-Party Advisory2

Related Vulnerabilities

Other CWE-190 (Integer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-16040	Medium	6.5	100%	-	Fix
CVE-2019-11477	High	7.5	99%	-	Fix
CVE-2023-44443	High	7.8	94%	-	Fix
CVE-2014-0569	High	9.3	90%	-	-
CVE-2017-3599	High	7.5	90%	-	Fix
CVE-2023-21716	Critical	9.8	82%	-	Fix

Embed a live status badge for CVE-2021-32027

Markdown

[![CVE-2021-32027](https://tridentstack.com/cve/badge/CVE-2021-32027.svg)](https://tridentstack.com/cve/CVE-2021-32027)

HTML

<a href="https://tridentstack.com/cve/CVE-2021-32027"><img src="https://tridentstack.com/cve/badge/CVE-2021-32027.svg" alt="CVE-2021-32027"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.