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Firefly Iii CVE-2021-3921

MEDIUM
Cross-Site Request Forgery (CSRF) (CWE-352)
2021-11-13 security@huntr.dev
CSRF Firefly Iii
4.3
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
4.3 MEDIUM
AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

Lifecycle Timeline

1
CVE Published
Nov 13, 2021 - 09:15 nvd
MEDIUM 4.3

DescriptionNVD

firefly-iii is vulnerable to Cross-Site Request Forgery (CSRF)

AnalysisAI

firefly-iii is vulnerable to Cross-Site Request Forgery (CSRF). Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified as Cross-Site Request Forgery (CSRF) (CWE-352), which allows attackers to trick authenticated users into performing unintended actions. firefly-iii is vulnerable to Cross-Site Request Forgery (CSRF) Affected products include: Firefly-Iii Firefly Iii.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Implement anti-CSRF tokens, validate Origin/Referer headers, use SameSite cookie attribute.

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Same weakness CWE-352 – Cross-Site Request Forgery (CSRF)

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Same technique CSRF

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CVE-2021-3921 vulnerability details – vuln.today
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