THREATPORT/VULNERABILITY/CVE-2019-10044
HIGH SEVERITY

CVE-2019-10044

Telegram vulnerability

CVSS
8.8
EPSS
3.3%
EPSS pct
87th
Exploited
No known
Telegram Desktop before 1.5.12 on Windows, and the Telegram applications for Android, iOS, and Linux, is vulnerable to an IDN homograph attack when displaying messages containing URLs. This occurs because the application produces a clickable link even if (for example) Latin and Cyrillic characters exist in the same domain name, and the available font has an identical representation of characters from different alphabets.
Affected vendor
Telegram
Affected product
Telegram
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
2019-03-25

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 3.3% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 87% of all scored CVEs.

Check your external exposure to CVE-2019-10044

  • Confirm whether Telegram Telegram is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2019-10044.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2019-10044

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2019-10044 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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