How severe is CVE-2019-20801?

CVE-2019-20801 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2019-20801 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-20801?

CVE-2019-20801 affects Readdle Documents. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-20801?

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

When was CVE-2019-20801 published?

CVE-2019-20801 was published on 2020-05-18 and last updated on 2026-06-17.

CVE-2019-20801

CVE-2019-20801 is a medium-severity vulnerability in Readdle Documents with a CVSS 3.x base score of 5.3. 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-862.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Readdle Documents
Published: 2020-05-18
Last modified: 2026-06-17

Description

An issue was discovered in the Readdle Documents app before 6.9.7 for iOS. The application's file-transfer web server allows for cross-origin requests from any domain, and the WebSocket server lacks authorization control. Any web site can execute JavaScript code (that accesses a user's data) via cross-origin requests.

Frequently asked questions

What is CVE-2019-20801?: An issue was discovered in the Readdle Documents app before 6.9.7 for iOS. The application's file-transfer web server allows for cross-origin requests from any domain, and the WebSocket server lacks authorization control. Any web site can execute JavaScript code (that accesses a user's data) via cross-origin requests.
How severe is CVE-2019-20801?: CVE-2019-20801 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2019-20801 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-20801?: CVE-2019-20801 affects Readdle Documents. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-20801?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-20801 published?: CVE-2019-20801 was published on 2020-05-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:readdle:documents:*:*:*:*:*:iphone_os:*:*

Other CWE-862 (Missing Authorization) vulnerabilities

CVE-2026-0092 — Critical (CVSS 10.0): In Package Manager, there is a possible device lock controller bypass due to a missing permission check. This could…
CVE-2026-33712 — Critical (CVSS 10.0): Typebot is a chatbot builder tool. In versions 3.15.2 and prior, the preview chat endpoint (POST…
CVE-2026-2031 — Critical (CVSS 10.0): An Improper Access Control vulnerability in several internal API endpoints for Google Cloud Application Integration…
CVE-2026-34976 — Critical (CVSS 10.0): Dgraph is an open source distributed GraphQL database. Prior to 25.3.1, the restoreTenant admin mutation is missing…
CVE-2025-30416 — Critical (CVSS 10.0): Sensitive data disclosure and manipulation due to missing authorization. The following products are affected: Acronis…
CVE-2025-45854 — Critical (CVSS 10.0): /server/executeExec of JEHC-BPM 2.0.1 allows attackers to execute arbitrary code via execParams.

Browse all CWE-862 (Missing Authorization) vulnerabilities →