How severe is CVE-2020-11671?

CVE-2020-11671 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2020-11671 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-11671?

CVE-2020-11671 affects Teampass. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-11671?

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-2020-11671 published?

CVE-2020-11671 was published on 2020-05-04 and last updated on 2026-06-17.

CVE-2020-11671

CVE-2020-11671 is a high-severity vulnerability in Teampass with a CVSS 3.x base score of 8.1. 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-862.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v2: 5.8
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Teampass
Published: 2020-05-04
Last modified: 2026-06-17

Description

Lack of authorization controls in REST API functions in TeamPass through 2.1.27.36 allows any TeamPass user with a valid API token to become a TeamPass administrator and read/modify all passwords via authenticated api/index.php REST API calls. NOTE: the API is not available by default.

Frequently asked questions

What is CVE-2020-11671?: Lack of authorization controls in REST API functions in TeamPass through 2.1.27.36 allows any TeamPass user with a valid API token to become a TeamPass administrator and read/modify all passwords via authenticated api/index.php REST API calls. NOTE: the API is not available by default.
How severe is CVE-2020-11671?: CVE-2020-11671 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2020-11671 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-11671?: CVE-2020-11671 affects Teampass. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-11671?: 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-2020-11671 published?: CVE-2020-11671 was published on 2020-05-04 and last updated on 2026-06-17.

References

https://github.com/nilsteampassnet/TeamPass/issues/2765

Affected products (1)

cpe:2.3:a:teampass:teampass:*:*:*:*:*:*:*:*

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