How severe is CVE-2020-1902?

CVE-2020-1902 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2020-1902 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-1902?

CVE-2020-1902 primarily affects Whatsapp. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-1902?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-1902 published?

CVE-2020-1902 was published on 2020-10-06 and last updated on 2026-06-17.

CVE-2020-1902

CVE-2020-1902 is a high-severity vulnerability in Whatsapp with a CVSS 3.x base score of 7.5. 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-319.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-319
Affected product: Whatsapp
Published: 2020-10-06
Last modified: 2026-06-17

Description

A user running a quick search on a highly forwarded message on WhatsApp for Android from v2.20.108 to v2.20.140 or WhatsApp Business for Android from v2.20.35 to v2.20.49 could have been sent to the Google service over plain HTTP.

Frequently asked questions

What is CVE-2020-1902?: A user running a quick search on a highly forwarded message on WhatsApp for Android from v2.20.108 to v2.20.140 or WhatsApp Business for Android from v2.20.35 to v2.20.49 could have been sent to the Google service over plain HTTP.
How severe is CVE-2020-1902?: CVE-2020-1902 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2020-1902 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-1902?: CVE-2020-1902 primarily affects Whatsapp. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-1902?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-1902 published?: CVE-2020-1902 was published on 2020-10-06 and last updated on 2026-06-17.

References

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

Affected products (2)

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

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