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Not in CISA KEV
HIGH severity

CVE-2020-11671 — teampass

HIGH

CVE-2020-11671 is a high-severity (CVSS 8.1) CWE-862 vulnerability in nilsteampassnet/teampass. 1 public exploit reference exists, so weaponization risk is real. No vendor fix is recorded yet; mitigation options are listed below.

Missing Authorization in TeamPass

Also known asGHSA-gmr7-m73x-6c9q
Published
Updated
Affected
1 pkg
Patched
See advisory
Exploits
1 known
Exploitation data as of Oct 10, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
1.1%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs66th percentile — riskier than 66% of all scored CVEsHighest risk
0.00%0.55%1.09%1.64%0.3%1.1%Apr 26Aug 26Oct 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

CVE-2020-11671 by exploitation likelihood (EPSS) against impact (CVSS). Outside the shaded patch-first corner.

Where this sits among everything scored

Of 385,738 CVEs with a current EPSS score, this one falls in the < 10% band (highlighted). Counts from FIRST.org, log-scaled.

Real-World Exposure

1 pkg affected
🐘nilsteampassnet/teampass

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Packagist packages — download data is not available via public APIs for these ecosystems.

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.

Affected Packages

1 total
EcosystemPackageVulnerable rangeFix
🐘Packagistnilsteampassnet/teampassall versionsNo fix

Affected Products

1 product · 1 configurations
Application
teampassteampass
≤ 2.1.27.36
range
Exploits & PoCs
1

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

Lack of authorization controls in REST API functions in TeamPass through…

github.comNVDJul 2021

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for nilsteampassnet/teampass, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Remediation status

    No patched version of nilsteampassnet/teampass has shipped for CVE-2020-11671 yet. Where your build allows, override or pin the dependency away from the vulnerable range, and apply any maintainer-recommended mitigation.

  3. Mitigate without a patch

    Put an independent control in front of the weakness: restrict the affected endpoint or interface to trusted networks, require an additional authentication factor or proxy-level check, and invalidate existing sessions and credentials in case the flaw has already been used.

Frequently Asked Questions

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.
O3 Security · Impact-Aware SCA

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CVE-2020-11671: teampass: Missing Authorization