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Not in CISA KEV
HIGH severity

CVE-2020-12478 — teampass

HIGH

CVE-2020-12478 is a high-severity (CVSS 7.5) Missing Authentication vulnerability in nilsteampassnet/teampass. 1 public exploit or proof-of-concept reference is indexed, so weaponization risk is real. The records list no fixed version yet; check the vendor advisory below and apply the mitigations in the meantime.

TeamPass files are available without authentication

Also known asGHSA-83h6-22cp-f22w
Published
Updated
Affected
1 pkg
Patched
See advisory
Exploits
1 known
Exploitation data as of Nov 2, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
8.6%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs95th percentile — riskier than 95% of all scored CVEsHighest risk
0.00%14.7%29.4%44.1%35.6%8.6%May 26Sep 26Nov 26

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

How urgent is this, really

Where this sits among everything scored

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

TeamPass 2.1.27.36 allows an unauthenticated attacker to retrieve files from the TeamPass web root. This may include backups or LDAP debug files.

Affected Packages

1 total
EcosystemPackageVulnerable rangeFix
🐘Packagistnilsteampassnet/teampassall versionsNo fix

Affected Products

1 product · 1 configurations
Application
teampassteampass
1 version
2.1.27.36
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.

TeamPass 2.1.27.36 allows an unauthenticated attacker to retrieve files …

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

    The records we use list no patched version of nilsteampassnet/teampass for CVE-2020-12478. Check the maintainer's advisory, and where your build allows, override or pin the dependency away from the vulnerable range.

  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.

How to detect CVE-2020-12478

A community-maintained Nuclei template exists for this CVE. You can scan for it directly:

nuclei -id cve-2020-12478 -u https://target
Template
TeamPass 2.1.27.36 - Improper Authentication
Severity
high
Impact
An attacker can bypass authentication and gain unauthorized access to sensitive information.
Remediation
Upgrade to a patched version of TeamPass or apply the recommended security patches.

Template by ProjectDiscovery nuclei-templates (arafatansari), MIT licensed. View the full template. Scan only systems you are authorised to test.

Frequently Asked Questions

TeamPass 2.1.27.36 allows an unauthenticated attacker to retrieve files from the TeamPass web root. This may include backups or LDAP debug files.
O3 Security · Impact-Aware SCA

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CVE-2020-12478: teampass (High 7.5)