CVE-2020-25824 Missing authorization in n/a

Low 2.4 Published 14 Oct 2020 Updated 4 Aug 2024

An attacker with physical access can export all chat data without a passcode if the export wizard is open, leading to information disclosure.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2020-25824?

CVE-2020-25824 is a low-severity missing authorization vulnerability in n/a, published on 14 Oct 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Telegram Desktop through 2.4.3 does not require passcode entry upon pushing the Export key within the Export Telegram Data wizard. The threat model is a victim who has voluntarily opened Export Wizard but is then distracted. An attacker then approaches the unattended desktop and pushes the Export key. This attacker may consequently gain access to all chat conversation and media files.

Weakness: CWE-306

Which versions are affected by CVE-2020-25824?

It affects 1 product.

Products include Telegram Telegram Desktop.

How do I fix CVE-2020-25824?

No fix has been published for CVE-2020-25824 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2020-25824 being exploited?

There is no known exploitation of CVE-2020-25824 in the wild and no public exploit code.

Sources

Also known as GHSA-hq26-6p72-9jg4.