Is CVE-2017-17715 actively exploited?

No active exploitation of CVE-2017-17715 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2017-17715 be exploited remotely?

Yes. CVE-2017-17715 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2017-17715?

CVE-2017-17715 has a CVSS score of 8.8 (HIGH).

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HIGH

CVE-2017-17715

CWE-22Published: December 16, 2017· Updated: Jun 17, 2026

8.8

CVSS v3.1

Official Description

The saveFile method in MediaController.java in the Telegram Messenger application before 2017-12-08 for Android allows directory traversal via a pathname obtained in a file-transfer request from a remote peer, as demonstrated by writing to tgnet.dat or tgnet.dat.bak.

NVD Source

Technical Analysis

CVE-2017-17715 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.