How severe is CVE-2020-1889?

CVE-2020-1889 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-1889 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-1889?

CVE-2020-1889 affects Whatsapp Whatsapp Desktop. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-1889?

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

When was CVE-2020-1889 published?

CVE-2020-1889 was published on 2020-09-03 and last updated on 2026-06-17.

CVE-2020-1889

CVE-2020-1889 is a critical-severity vulnerability in Whatsapp Whatsapp Desktop with a CVSS 3.x base score of 10.0. 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-265.

Key facts

Severity: Critical (CVSS 3.x base score 10.0)
CVSS v2: 7.5
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-265
Affected product: Whatsapp Whatsapp Desktop
Published: 2020-09-03
Last modified: 2026-06-17

Description

A security feature bypass issue in WhatsApp Desktop versions prior to v0.3.4932 could have allowed for sandbox escape in Electron and escalation of privilege if combined with a remote code execution vulnerability inside the sandboxed renderer process.

Frequently asked questions

What is CVE-2020-1889?: A security feature bypass issue in WhatsApp Desktop versions prior to v0.3.4932 could have allowed for sandbox escape in Electron and escalation of privilege if combined with a remote code execution vulnerability inside the sandboxed renderer process.
How severe is CVE-2020-1889?: CVE-2020-1889 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-1889 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-1889?: CVE-2020-1889 affects Whatsapp Whatsapp Desktop. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-1889?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-1889 published?: CVE-2020-1889 was published on 2020-09-03 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:whatsapp:whatsapp_desktop:*:*:*:*:*:*:*:*

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