4.2med

CVE-2018-3986

An exploitable information disclosure vulnerability exists in the "Secret Chats" functionality of the Telegram Android messaging applicatio…

Published 7 y ago · modified 4 mo ago · JSON

CVSS
4.2
v3.0 · CNA
CISA KEV
No
not known exploited
EPSS
0.4%
percentile 37%
Public exploits
0
none known

Summary

An exploitable information disclosure vulnerability exists in the "Secret Chats" functionality of the Telegram Android messaging application version 4.9.0. The "Secret Chats" functionality allows a user to delete all traces of a chat, either by using a time trigger or by direct request. There is a bug in this functionality that leaves behind photos taken and shared on the secret chats, even after the chats are deleted. These photos will be stored in the device and accessible to all applications installed on the Android device.

Exploit prediction (EPSS)

0.43% probability of exploitation in the next 30 days, higher than 37% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
CNA3.04.2CVSS:3.0/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N
NVD3.15.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CNA3.04.2CVSS:3.0/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N
NVD2.02.1AV:L/AC:L/Au:N/C:P/I:N/A:N

Affected products

  • n/a Telegram

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.