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No exploitation reportedFix available

CVE-2018-17780

No exploitation reported by the sources we read.

  • Published2018-09-29
  • WeaknessCWE-200

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2018-09-2919:29CVE publishedNVD

Versions per branch

NVD
Telegram telegram desktop
BranchAffectedFixed in
1.3= 1.3.14no fix published
Telegram telegram messenger
BranchAffectedFixed in
3.3= 3.3.0.0no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • telegram-desktopUbuntu:22.04:LTSall versions · no fixed version listed
  • telegram-desktopUbuntu:20.04:LTSall versions · no fixed version listed
  • telegram-desktopUbuntu:18.04:LTSall versions · no fixed version listed
  • telegram-desktopDebian:14all versions · fixed in 1.4.0-1
  • telegram-desktopDebian:12all versions · fixed in 1.4.0-1

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Published
2018-09-29
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-r3p8-5cf3-rwmg

Frequently asked questions

What is CVE-2018-17780?

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.

Is CVE-2018-17780 actively exploited?

Active exploitation of CVE-2018-17780 has not been confirmed. Its EPSS score was 1.8% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-17780?

CVE-2018-17780 has a CVSS v3 base score of 6.5 (MEDIUM severity), with vector string CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

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Sources for this record