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CVE-2020-12477

20
FAUCET Score

CVE-2020-12477 describes a critical vulnerability in TeamPass 2.1.27.36 where the REST API's IP address whitelist can be bypassed. An attacker with a valid API token can spoof their IP address using the X-Forwarded-For HTTP header, circumventing security controls. This vulnerability carries a CVSS score of 7.5 (HIGH), indicating a network-based attack with low complexity and high confidentiality impact, allowing unauthorized access to sensitive information. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.1.27.36CPE matchmatch criteria
cpe:2.3:a:teampass:teampass:2.1.27.36:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.80%
Probability of exploitation in next 30 days
EPSS Percentile
76.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0180 is in the 59th percentile among its peer group of 51,553 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

composerGHSA-fv48-hjhp-94c7high

Incorrect Authorization in TeamPass

Jul 26, 2021

References

github.com / nilsteampassnet/TeamPass/issues/2761
ExploitThird Party Advisory