CVE-2017-17715

Name: CVE-2017-17715
Creator: NVD / NIST
Published: 2017-12-16T19:29:00.26+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.74%

Last modified Jun 17, 2026

CVE-2017-17715 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.74% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

1.74%

74.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Telegram	Telegram Messenger	< 2017-12-08

References

https://bugs.chromium.org/p/project-zero/issues/detail?id=1470Issue Tracking, Third Party Advisory
https://bugs.chromium.org/p/project-zero/issues/detail?id=1470Issue Tracking, Third Party Advisory

Timeline

Published: Dec 16, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-17715?

How severe is CVE-2017-17715?

Severity scoring for CVE-2017-17715 is pending analysis. The EPSS model estimates a 1.74% probability of exploitation in the next 30 days.

How do I fix CVE-2017-17715?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-17715?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST