CVE-2020-12474: telegram
CVSS: 6.5v3.1MediumModified
AliasesUBUNTU-CVE-2020-12474DEBIAN-CVE-2020-12474
Published 01-05-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-12474 is a medium (CVSS 6.5) vulnerability in telegram. EPSS estimates a 2.59% chance of exploitation in the next 30 days, higher than 85% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.1 (NVD)EPSS score
2.59%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 01-05-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
Telegram Desktop through 2.0.1, Telegram through 6.0.1 for Android, and Telegram through 6.0.1 for iOS allow an IDN Homograph attack via Punycode in a public URL or a group chat invitation URL.
CVSS metrics
4 scores · 3 sources · 2 versionsMedium 6.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:NSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:N/A:NSourcesSingle source
EPSS trend
Probability
2.59%
Chance of exploitation in the next 30 days
Percentile
85%
Versus all other CVEs
30-day change
0.00 pp
From 2.59% on 20-09-2026
20-09-202620-10-2026
EPSS score2.59%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Telegram2 products
- telegram≤ 6.0.1
- telegram_desktop≤ 2.0.1
Debian1 product
- telegram-desktop< 2.1.0+ds-1
Ubuntu1 product
- telegram-desktopAll versions (No fix recorded)
3 vendors · 4 products
References
4 links- github.com/VijayT007/Vulnerability-Database/blob/master/Telegram:CVE-2020-12474X Refsource MISCREPORTThird Party Advisory