CVE-2021-31671

Name: CVE-2021-31671
Creator: NVD / NIST
Published: 2021-04-27T03:15:07.647+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.73%

Last modified Jun 17, 2026

CVE-2021-31671 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. pgsync before 0.6.7 is affected by Information Disclosure of sensitive information. Syncing the schema with the --schema-first and --schema-only options is mishandled. EPSS estimates a 0.73% chance of exploitation in the next 30 days.

Description

pgsync before 0.6.7 is affected by Information Disclosure of sensitive information. Syncing the schema with the --schema-first and --schema-only options is mishandled. For example, the sslmode connection parameter may be lost, which means that SSL would not be used.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.73%

49.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-319

Affected Software

Vendor	Product	Versions
Pgsync Project	Pgsync	< 0.6.7

References

https://github.com/ankane/pgsync/issues/121Exploit, Issue Tracking, Third Party Advisory
https://github.com/ankane/pgsync/issues/121Exploit, Issue Tracking, Third Party Advisory

Timeline

Published: Apr 27, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-31671?

How severe is CVE-2021-31671?

CVE-2021-31671 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.73% probability of exploitation in the next 30 days.

How do I fix CVE-2021-31671?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-31671?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST