CVE-2018-17780

MediumCVSS 6.5/10Last modified Jun 17, 2026

Description

Telegram Desktop (aka tdesktop) 1.3.14, and Telegram 3.3.0.0 WP8.1 on Windows, leaks end-user public and private IP addresses during a call because of an unsafe default behavior in which P2P connections are accepted from clients outside of the My Contacts list.

Metrics

CVSS 3.0 6.5/10CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-200

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://www.securityfocus.com/bid/105521Third Party Advisory, VDB Entry
https://www.inputzero.io/2018/09/bug-bounty-telegram-cve-2018-17780.htmlExploit, Third Party Advisory
http://www.securityfocus.com/bid/105521Third Party Advisory, VDB Entry
https://www.inputzero.io/2018/09/bug-bounty-telegram-cve-2018-17780.htmlExploit, Third Party Advisory

Timeline

Published: Sep 29, 2018
Last modified: Jun 17, 2026
NVD status: Modified

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