Vulnerability Details : 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 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.
Exploit prediction scoring system (EPSS) score for CVE-2019-15514
Probability of exploitation activity in the next 30 days: 0.13%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 46 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2019-15514
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:N |
10.0
|
2.9
|
NIST |
|
5.3
|
MEDIUM | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
3.9
|
1.4
|
NIST |
References for CVE-2019-15514
-
https://docs.google.com/document/d/e/2PACX-1vRx2wO2kj0axlQtv2CDSjPGlRKJOHtucvpOKGFKybh2eVVGZqvt_JJv-2Q11NHn5Y4um_F4-bgA6q5v/pub
A Telegram bug that disclose phone numbers of any users in public groupsExploit;Third Party Advisory
Products affected by CVE-2019-15514
- cpe:2.3:a:telegram:telegram:5.10.0:*:*:*:*:iphone_os:*:*
- cpe:2.3:a:telegram:telegram:5.10.0:*:*:*:*:android:*:*