How severe is CVE-2020-16271?

CVE-2020-16271 has a CVSS 3.x base score of 9.1, 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 none.

Is CVE-2020-16271 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-16271?

CVE-2020-16271 affects Kee Keepassrpc. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-16271?

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-2020-16271 published?

CVE-2020-16271 was published on 2020-08-03 and last updated on 2026-06-17.

CVE-2020-16271

CVE-2020-16271 is a critical-severity vulnerability in Kee Keepassrpc with a CVSS 3.x base score of 9.1. 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: Critical (CVSS 3.x base score 9.1)
CVSS v2: 6.4
EPSS exploit prediction: 2% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-330
Affected product: Kee Keepassrpc
Published: 2020-08-03
Last modified: 2026-06-17

Description

The SRP-6a implementation in Kee Vault KeePassRPC before 1.12.0 generates insufficiently random numbers, which allows remote attackers to read and modify data in the KeePass database via a WebSocket connection.

Frequently asked questions

What is CVE-2020-16271?: The SRP-6a implementation in Kee Vault KeePassRPC before 1.12.0 generates insufficiently random numbers, which allows remote attackers to read and modify data in the KeePass database via a WebSocket connection.
How severe is CVE-2020-16271?: CVE-2020-16271 has a CVSS 3.x base score of 9.1, 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 none.
Is CVE-2020-16271 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-16271?: CVE-2020-16271 affects Kee Keepassrpc. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-16271?: 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-2020-16271 published?: CVE-2020-16271 was published on 2020-08-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:kee:keepassrpc:*:*:*:*:*:*:*:*

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