How severe is CVE-2020-1905?

CVE-2020-1905 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2020-1905 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-1905?

CVE-2020-1905 affects Whatsapp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-1905?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-1905 published?

CVE-2020-1905 was published on 2020-10-06 and last updated on 2026-06-17.

CVE-2020-1905

CVE-2020-1905 is a low-severity vulnerability in Whatsapp with a CVSS 3.x base score of 3.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-330.

Key facts

Severity: Low (CVSS 3.x base score 3.3)
CVSS v2: 4.3
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-330
Affected product: Whatsapp
Published: 2020-10-06
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2020-1905?: CVE-2020-1905 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2020-1905 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-1905?: CVE-2020-1905 affects Whatsapp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-1905?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-1905 published?: CVE-2020-1905 was published on 2020-10-06 and last updated on 2026-06-17.

References

https://www.whatsapp.com/security/advisories/2020/

Affected products (1)

cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:*:android:*:*

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