CVE-2021-41861

Name: CVE-2021-41861
Creator: NVD / NIST
Published: 2021-10-04T03:15:16.787+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 3.3/10EPSS 0.32%

Last modified Jun 17, 2026

CVE-2021-41861 is a low-severity vulnerability rated 3.3/10 on the CVSS scale. The Telegram application 7.5.0 through 7.8.0 for Android does not properly implement image self-destruction, a different vulnerability than CVE-2019-16248. After approximately two to four uses of the self-destruct feature, there is a misleading UI indication that an image was deleted (on both the sender and recipient sides). EPSS estimates a 0.32% chance of exploitation in the next 30 days.

Description

The Telegram application 7.5.0 through 7.8.0 for Android does not properly implement image self-destruction, a different vulnerability than CVE-2019-16248. After approximately two to four uses of the self-destruct feature, there is a misleading UI indication that an image was deleted (on both the sender and recipient sides). The images are still present in the /Storage/Emulated/0/Telegram/Telegram Image/ directory.

Metrics

CVSS 3.1

3.3/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

EPSS Probability

0.32%

23.6th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Telegram	Telegram	>= 7.5.0, <= 7.8.0

References

https://desktop.telegram.org/changelog#v-2-6-23-02-21Release Notes, Vendor Advisory
https://habr.com/ru/post/580582/Third Party Advisory
https://pikabu.ru/story/konfidentsialnost_polzovateley_telegram_snova_narushena_predstaviteli_messendzhera_trebuyut_ne_raskryivat_podrobnostey_8511495Third Party Advisory
https://telegram.org/blog/autodelete-inv2/ru#avtomaticheskoe-udalenie-soobscheniiVendor Advisory
https://desktop.telegram.org/changelog#v-2-6-23-02-21Release Notes, Vendor Advisory
https://habr.com/ru/post/580582/Third Party Advisory
https://pikabu.ru/story/konfidentsialnost_polzovateley_telegram_snova_narushena_predstaviteli_messendzhera_trebuyut_ne_raskryivat_podrobnostey_8511495Third Party Advisory
https://telegram.org/blog/autodelete-inv2/ru#avtomaticheskoe-udalenie-soobscheniiVendor Advisory

Timeline

Published: Oct 4, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-41861?

How severe is CVE-2021-41861?

CVE-2021-41861 has a CVSS score of 3.3/10 (LOW severity). The EPSS model estimates a 0.32% probability of exploitation in the next 30 days.

How do I fix CVE-2021-41861?

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-2021-41861?

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

Scan your code now

Source: NVD / NIST