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cveMitreCVE-2019-15514
HistoryAug 23, 2019 - 1:15 p.m.

CVE-2019-15514

2019-08-2313:15:11
mitre
web.nvd.nist.gov
33
cve-2019-15514
telegram
android
ios
privacy
phone number
security vulnerability
group info

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

CVSS3

5.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

5

Confidence

High

EPSS

0.001

Percentile

47.4%

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.

Affected configurations

Nvd
Node
telegramtelegramMatch5.10.0android
OR
telegramtelegramMatch5.10.0iphone_os
VendorProductVersionCPE
telegramtelegram5.10.0cpe:2.3:a:telegram:telegram:5.10.0:*:*:*:*:android:*:*
telegramtelegram5.10.0cpe:2.3:a:telegram:telegram:5.10.0:*:*:*:*:iphone_os:*:*

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

CVSS3

5.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

5

Confidence

High

EPSS

0.001

Percentile

47.4%

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