What is the CVSS score of CVE-2022-3273?

CVE-2022-3273 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: 0.4%.

Is there a public PoC exploit available for CVE-2022-3273?

Yes, a public proof-of-concept exploit is available for CVE-2022-3273. Prioritise patching immediately. EPSS: 0.4%.

Is there a patch available for CVE-2022-3273?

Yes, a patch is available for CVE-2022-3273. Update the affected software to the latest version immediately.

Rdiffweb CVE-2022-3273

CRITICAL

Allocation of Resources Without Limits or Throttling (CWE-770)

2022-10-06 security@huntr.dev

Denial Of Service Rdiffweb Ikus Soft

9.8

CVSS 3.1 · NVD

View

Vulnerability Assessment

Weakness	CWE CWE-770 OWASP Top 10:2025 A06:2025 - Insecure Design ASVS 5.0 V2 - Validation and Business Logic Resource allocation limits MITRE ATT&CK 1 technique across 1 tactic: Impact 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. Public proof-of-concept exploit code is available.
Exploit ScenarioDerived	A remote attacker could exhaust system resources through uncontrolled allocation 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 + public POC available.

Patch available 0.4% exploitation probability (EPSS)

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AnalysisAI

Allocation of Resources Without Limits or Throttling in GitHub repository ikus060/rdiffweb prior to 2.5.0a4. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Set resource limits, implement rate limiting, validate input sizes.

Affected Packages

pypi rdiffweb fix: 2.4.11a1, 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 Allocation of Resources Without Limits (CWE-770), which allows attackers to exhaust system resources through uncontrolled allocation. Allocation of Resources Without Limits or Throttling in GitHub repository ikus060/rdiffweb prior to 2.5.0a4. Affected products include: Ikus-Soft Rdiffweb. Version information: prior to 2.5.0.

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Exploit and PoC references, threat intelligence from 22 sources

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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

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

Threat Intelligence Overview

EPSS Score

0.4%

Top 64% exploitable

Exploit

POC

Public exploit code exists

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 Yes

EPSS 0.4%

Patch available Yes

Active threat No

Deciding rule

CRITICAL severity + public POC available

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

Poc

System Exposure· derived

Open

Automatable· derived

Yes

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +49

PoC: +20

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Denial of Service MEDIUM

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

Affected Products (CPE)NVD

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

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:*:*:*:*:*:*

More in Rdiffweb

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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-2022-3269 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

CVE-2022-3364 HIGH This Week POC

7.5 Sep 29

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

Same weakness CWE-770 – Allocation of Resources Without Limits or Throttling

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CVE-2017-8779 HIGH POC

7.5

CVE-2025-53521 CRITICAL POC

9.3

CVE-2024-28182 MEDIUM

5.3

CVE-2023-2650 MEDIUM

6.5

CVE-2017-5850 HIGH POC

7.5

CVE-2025-26682 HIGH

7.5

CVE-2022-32206 MEDIUM POC

6.5

CVE-2023-24998 HIGH

7.5

Same technique Denial Of Service

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CVE-2015-5119 CRITICAL POC

9.8

CVE-2011-2462 CRITICAL POC

9.8

CVE-2011-0611 HIGH POC

8.8

CVE-2012-1889 HIGH POC

8.8

CVE-2012-0507 CRITICAL POC

9.8

CVE-2014-1761 HIGH POC

7.8

CVE-2015-5122 CRITICAL POC

9.8

CVE-2011-0609 HIGH POC

7.8

References

Advisories & patches

PATCH https://github.com/ikus060/rdiffweb/commit/b5e3bb0a98268d18ceead36ab9b2b7eaacd659a8

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GitHub PoC

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