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Firefly Iii CVE-2021-3819

HIGH
Cross-Site Request Forgery (CSRF) (CWE-352)
2021-09-27 security@huntr.dev
CSRF Firefly Iii
8.8
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
8.8 HIGH
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

1
CVE Published
Sep 27, 2021 - 13:15 nvd
HIGH 8.8

DescriptionNVD

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

AnalysisAI

firefly-iii is vulnerable to Cross-Site Request Forgery (CSRF). Rated high severity (CVSS 8.8), 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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firefly-iii is vulnerable to Cross-Site Request Forgery (CSRF). Rated high severity (CVSS 8.8), this vulnerability is re
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firefly-iii is vulnerable to Unrestricted Upload of File with Dangerous Type. Rated high severity (CVSS 8.8), this vulne
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firefly-iii is vulnerable to Improper Restriction of Excessive Authentication Attempts. Rated high severity (CVSS 7.5),

CVE-2023-0298 MEDIUM POC
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Incorrect Authorization in GitHub repository firefly-iii/firefly-iii prior to 5.8.0. Rated medium severity (CVSS 6.5), t
CVE-2021-3900 MEDIUM POC
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firefly-iii is vulnerable to Cross-Site Request Forgery (CSRF). Rated medium severity (CVSS 6.5), this vulnerability is

CVE-2021-3728 MEDIUM POC
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firefly-iii is vulnerable to Cross-Site Request Forgery (CSRF). Rated medium severity (CVSS 6.5), this vulnerability is

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Firefly III 4.7.17.4 is vulnerable to multiple stored XSS issues due to the lack of filtration of user-supplied data in

CVE-2023-1788 CRITICAL
9.8 Apr 05

Insufficient Session Expiration in GitHub repository firefly-iii/firefly-iii prior to 6. Rated critical severity (CVSS 9
CVE-2023-1789 CRITICAL
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Improper Input Validation in GitHub repository firefly-iii/firefly-iii prior to 6.0.0. Rated critical severity (CVSS 9.8
CVE-2021-3851 MEDIUM POC
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firefly-iii is vulnerable to URL Redirection to Untrusted Site. Rated medium severity (CVSS 5.4), this vulnerability is

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Firefly III 4.7.17.5 is vulnerable to stored XSS due to the lack of filtration of user-supplied data in the liability na
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Same weakness CWE-352 – Cross-Site Request Forgery (CSRF)

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CVE-2016-6277 HIGH POC
8.8
CVE-2014-100005 HIGH POC
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CVE-2013-5696 MEDIUM POC
6.8
CVE-2020-36836 HIGH POC
8.0
CVE-2015-2295 MEDIUM POC
6.8
CVE-2016-6897 MEDIUM POC
6.5
CVE-2022-41622 HIGH POC
8.8
CVE-2025-2907 CRITICAL POC
9.8

Same technique CSRF

View all
CVE-2016-6277 HIGH POC
8.8
CVE-2014-100005 HIGH POC
8.0
CVE-2017-9757 HIGH POC
8.8
CVE-2013-5696 MEDIUM POC
6.8
CVE-2013-4152 MEDIUM POC
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CVE-2024-7094 CRITICAL
9.8
CVE-2015-4624 HIGH POC
7.5
CVE-2020-36836 HIGH POC
8.0

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CVE-2021-3819 vulnerability details – vuln.today
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