What is the CVSS score of CVE-2022-3327?

CVE-2022-3327 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.7%.

Is there a patch available for CVE-2022-3327?

Yes, a patch is available for CVE-2022-3327. Update the affected software to the latest version immediately.

Rdiffweb CVE-2022-3327

CRITICAL

Missing Authentication for Critical Function (CWE-306)

2022-10-20 security@huntr.dev

Authentication Bypass Rdiffweb Ikus Soft

9.8

CVSS 3.1 · NVD

View

Vulnerability Assessment

Weakness	CWE CWE-306 OWASP Top 10:2025 A07:2025 - Authentication Failures ASVS 5.0 V6 - Authentication Authentication required for critical functions MITRE ATT&CK 1 technique across 1 tactic: Initial Access The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Impact	CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required.
Exploit ScenarioDerived	A remote attacker could access critical functionality without authentication by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.

Act Now Prioritize within 24-48h. Why: CRITICAL severity.

Patch available 0.7% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAI

Missing Authentication for Critical Function in GitHub repository ikus060/rdiffweb prior to 2.5.0a6. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Require authentication for all sensitive operations, implement defense in depth.

Affected Packages

pypi rdiffweb fix: 2.4.10, 2.5.0

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in pypi

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Missing Authentication for Critical Function (CWE-306), which allows attackers to access critical functionality without authentication. Missing Authentication for Critical Function in GitHub repository ikus060/rdiffweb prior to 2.5.0a6. Affected products include: Ikus-Soft Rdiffweb. Version information: prior to 2.5.0.

Know when Rdiffweb gets its next vulnerability

Watch products and get an email when something new is published
Check this CVE against your own stack and servers
Exploit and PoC references, threat intelligence from 22 sources

Continue with Google Continue with GitHub

No credit card · 7-day full trial

Severity by source

NVD PRIMARY 9.8 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

DescriptionNVD

Missing Authentication for Critical Function in GitHub repository ikus060/rdiffweb prior to 2.5.0a6.

Threat Intelligence Overview

EPSS Score

0.7%

Top 49% exploitable

Data Quality

3 sources

Confidence: Low

NVD

CVE.org

EPSS

GitHub

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity CRITICAL

CISA KEV No

Public POC No

EPSS 0.7%

Patch available Yes

Active threat No

Deciding rule

CRITICAL severity

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation· derived

None

System Exposure· derived

Open

Automatable· derived

Yes

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +1

CVSS: +49

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Authentication Bypass CRITICAL

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

Affected Products (CPE)NVD

cpe:2.3:a:ikus-soft:rdiffweb:*:*:*:*:*:*:*:*

cpe:2.3:a:ikus-soft:rdiffweb:2.4.10:*:*:*:*:*:*:*

cpe:2.3:a:ikus-soft:rdiffweb:2.5.0:alpha1:*:*:*:*:*:*

cpe:2.3:a:ikus-soft:rdiffweb:2.5.0:alpha2:*:*:*:*:*:*

cpe:2.3:a:ikus-soft:rdiffweb:2.5.0:alpha3:*:*:*:*:*:*

cpe:2.3:a:ikus-soft:rdiffweb:2.5.0:alpha4:*:*:*:*:*:*

cpe:2.3:a:ikus-soft:rdiffweb:2.5.0:alpha5:*:*:*:*:*:*

More in Rdiffweb

View all

CVE-2022-4724 CRITICAL Act Now POC

9.8 Dec 27

Improper Access Control in GitHub repository ikus060/rdiffweb prior to 2.5.5. Rated critical severity (CVSS 9.8), this v

CVE-2022-4719 CRITICAL Act Now POC

9.8 Dec 27

Business Logic Errors in GitHub repository ikus060/rdiffweb prior to 2.5.5. Rated critical severity (CVSS 9.8), this vul

CVE-2022-4314 CRITICAL Act Now POC

9.8 Dec 12

Improper Privilege Management in GitHub repository ikus060/rdiffweb prior to 2.5.2. Rated critical severity (CVSS 9.8),

CVE-2022-3362 CRITICAL Act Now POC

9.8 Nov 14

Insufficient Session Expiration in GitHub repository ikus060/rdiffweb prior to 2.5.0. Rated critical severity (CVSS 9.8)

CVE-2022-3273 CRITICAL Act Now POC

9.8 Oct 06

Allocation of Resources Without Limits or Throttling in GitHub repository ikus060/rdiffweb prior to 2.5.0a4. Rated criti

CVE-2022-3269 CRITICAL Act Now POC

9.8 Sep 23

Session Fixation in GitHub repository ikus060/rdiffweb prior to 2.4.7. Rated critical severity (CVSS 9.8), this vulnerab

CVE-2023-5289 HIGH This Week POC

8.8 Sep 29

Allocation of Resources Without Limits or Throttling in GitHub repository ikus060/rdiffweb prior to 2.8.4. Rated high se

CVE-2022-3221 HIGH This Week POC

8.8 Sep 15

Cross-Site Request Forgery (CSRF) in GitHub repository ikus060/rdiffweb prior to 2.4.3. Rated high severity (CVSS 8.8),

CVE-2022-3179 HIGH This Week POC

8.8 Sep 13

Weak Password Requirements in GitHub repository ikus060/rdiffweb prior to 2.4.2. Rated high severity (CVSS 8.8), this vu

CVE-2022-3167 HIGH This Week POC

8.8 Sep 08

Improper Restriction of Rendered UI Layers or Frames in GitHub repository ikus060/rdiffweb prior to 2.4.1. Rated high se

CVE-2022-3389 HIGH This Week POC

7.5 Oct 06

Path Traversal in GitHub repository ikus060/rdiffweb prior to 2.4.10. Rated high severity (CVSS 7.5), this vulnerability

CVE-2022-3371 HIGH This Week POC

7.5 Sep 30

Allocation of Resources Without Limits or Throttling in GitHub repository ikus060/rdiffweb prior to 2.5.0a3. Rated high

Same weakness CWE-306 – Missing Authentication for Critical Function

View all

CVE-2024-0012 CRITICAL POC

9.3

CVE-2017-10271 HIGH POC

7.5

CVE-2025-3248 CRITICAL POC

9.8

CVE-2024-11680 CRITICAL POC

9.8

CVE-2024-51567 CRITICAL POC

9.8

CVE-2025-0108 HIGH POC

8.8

CVE-2025-61757 CRITICAL POC

9.8

CVE-2025-32433 CRITICAL POC

10.0

Same technique Authentication Bypass

View all

CVE-2015-3306 CRITICAL POC

10.0

CVE-2023-22515 CRITICAL POC

9.8

CVE-2012-4681 CRITICAL POC

9.8

CVE-2013-2465 CRITICAL POC

9.8

CVE-2011-3544 CRITICAL POC

9.8

CVE-2022-40684 CRITICAL POC

9.8

CVE-2025-61882 CRITICAL POC

9.8

References

Advisories & patches

PATCH https://github.com/ikus060/rdiffweb/commit/f2a32f2a9f3fb8be1a9432ac3d81d3aacdb13095 REF https://huntr.com/bounties/02207c8f-2b15-4a31-a86a-74fd2fca0ed1 REF https://huntr.dev/bounties/02207c8f-2b15-4a31-a86a-74fd2fca0ed1

Search Externally

GitHub PoC

Exploit-DB PacketStorm Snyk Rapid7 Nuclei Templates Trickest PoC

Back