What is CVE-2020-1905?

CVE-2020-1905 is a low-severity vulnerability in Facebook Whatsapp For Android, classified under CWE-340. CVSS score: 3.3/10. Published 2020-10-06.

How severe is CVE-2020-1905?

Low severity. CVSS v3 base score is 3.3 out of 10.

Vulnerability in Facebook Whatsapp For Android

CVE-2020-1905

Media ContentProvider URIs used for opening attachments in other apps were generated sequentially prior to WhatsApp for Android v2.20.185, which could have allowed a malicious third party app chosen to open the file to guess the URIs for previously opened attachments until the opener app is terminated.

Published 2020-10-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.006 (48.7th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 48.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Facebook Whatsapp For Android — versions 2.20.185, unspecified
Whatsapp

Weakness classification (CWE)

References

www.whatsapp.com/security/advisories/2020/ (Vendor Advisory)

Frequently asked questions

What is CVE-2020-1905?: CVE-2020-1905 is a low-severity vulnerability in Facebook Whatsapp For Android, classified under CWE-340. CVSS score: 3.3/10. Published 2020-10-06.
How severe is CVE-2020-1905?: Low severity. CVSS v3 base score is 3.3 out of 10.