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CVE-2024-27928

MEDIUM
Use of Single-factor Authentication (CWE-308)
2026-06-05 https://github.com/vantage6/vantage6 GHSA-4c5c-2vc3-x5w2
5.9
CVSS 4.0 · Vendor: https://github.com/vantage6/vantage6
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Severity by source

Vendor (https://github.com/vantage6/vantage6) PRIMARY
5.9 MEDIUM
CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from Vendor (https://github.com/vantage6/vantage6) · only source for this CVE.

CVSS VectorVendor: https://github.com/vantage6/vantage6

CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
X

Lifecycle Timeline

2
CVSS changed
Jun 18, 2026 - 03:38 NVD
5.9 (MEDIUM)
CVE Published
Jun 05, 2026 - 15:24 cve.org
MEDIUM 5.9

Blast Radius

ecosystem impact
† from your stack dependencies † transitive graph · vuln.today resolves 4-path depth
  • 3 pypi packages depend on vantage6 (3 direct, 0 indirect)

Ecosystem-wide dependent count for version 5.0.0.

DescriptionCVE.org

Impact

If an attacker hacks into a vantage6 user's email account, they can 1) reset the password via email and then 2) reset the 2FA token via email. This way they reduce 2FA to 1FA (email access).

Note that most email providers require 2FA to access email, so this issue is not very likely to cause issues.

Proposed solution

Many web apps do not provide functionality to reset 2FA token (probably for this reason), but provide recovery codes as well. It would be better to provide these recovery codes to the user 1 time and then delete the option to reset it.

An alternative may be to only let server administrators reset 2FA token. However, this has as disadvantage that a hacked email account may send messages to the server admin to reset them, which they may fall for.

Patches

No

Workarounds

No

AnalysisAI

Impact If an attacker hacks into a vantage6 user's email account, they can 1) reset the password via email and then 2) reset the 2FA token via email. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, low attack complexity.

Technical ContextAI

This vulnerability is classified under CWE-308.

Impact If an attacker hacks into a vantage6 user's email account, they can 1) reset the password via email and then 2) reset the 2FA token via email. This way they reduce 2FA to 1FA (email access). Note that most email providers require 2FA to access email, so this issue is not very likely to cause issues.

Proposed solution Many web apps do not provide functionality to reset 2FA token (probably for this reason), but provide recovery codes as well. It would be better to provide these recovery codes to the user 1 time and then delete the option to reset it. An alternative may be to only let server administrators reset 2FA token. However, this has as disadvantage that a hacked email account may send messages to the server admin to reset them, which they may fall for.

Patches No

Workarounds No

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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CVE-2024-27928 vulnerability details – vuln.today

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