What is the CVSS score of CVE-2022-29700?

CVE-2022-29700 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.9%.

Is there a patch available for CVE-2022-29700?

Yes, a patch is available for CVE-2022-29700. Update the affected software to the latest version immediately.

Zammad CVE-2022-29700

HIGH

Weak Password Requirements (CWE-521)

2022-04-27 cve@mitre.org

Denial Of Service Brute Force Zammad

7.5

CVSS 3.1 · NVD

View

Vulnerability Assessment

Weakness	CWE CWE-521 OWASP Top 10:2025 A07:2025 - Authentication Failures ASVS 5.0 V6 - Authentication Password strength requirements
Impact	CVSS score of 7.5 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required.
Exploit ScenarioDerived	This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the high-severity affected system.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).

Patch available 0.9% exploitation probability (EPSS)

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

Alert me

AnalysisAI

A lack of password length restriction in Zammad v5.1.0 allows for the creation of extremely long passwords which can cause a Denial of Service (DoS) during password verification. Rated high severity (CVSS 7.5), 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. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

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 under CWE-521. A lack of password length restriction in Zammad v5.1.0 allows for the creation of extremely long passwords which can cause a Denial of Service (DoS) during password verification. Affected products include: Zammad.

Know when Zammad 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 7.5 HIGH

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

None

Integrity

None

Availability

High

DescriptionNVD

A lack of password length restriction in Zammad v5.1.0 allows for the creation of extremely long passwords which can cause a Denial of Service (DoS) during password verification.

Threat Intelligence Overview

EPSS Score

0.9%

Top 44% exploitable

Data Quality

2 sources

Confidence: Low

NVD

CVE.org

EPSS

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 HIGH

CISA KEV No

Public POC No

EPSS 0.9%

Patch available Yes

Active threat No

Deciding rule

HIGH severity (CVSS 7.0-8.9)

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: +38

PoC: 0

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:zammad:zammad:5.1.0:*:*:*:*:*:*:*

More in Zammad

View all

CVE-2026-102489 CRITICAL Act Now POC

9.4 Sep 30

Session hijacking in self-hosted Zammad 6.3.0 through 6.5.4 allows remote, unauthenticated attackers to take over a legi

CVE-2026-102490 CRITICAL Act Now POC

9.4 Sep 30

Local privilege escalation in Zammad lets an attacker who already controls the unprivileged 'zammad' service account ele

CVE-2017-5619 CRITICAL Act Now

9.8 Mar 13

An issue was discovered in Zammad before 1.0.4, 1.1.x before 1.1.3, and 1.2.x before 1.2.1. Rated critical severity (CVS

CVE-2017-6080 CRITICAL Act Now

9.8 Mar 13

An issue was discovered in Zammad before 1.0.4, 1.1.x before 1.1.3, and 1.2.x before 1.2.1, caused by lack of a protecti

CVE-2022-35490 CRITICAL Act Now

9.8 Aug 08

Zammad 5.2.0 is vulnerable to privilege escalation. Rated critical severity (CVSS 9.8), this vulnerability is remotely e

CVE-2021-42090 CRITICAL Act Now

9.8 Oct 07

An issue was discovered in Zammad before 4.1.1. Rated critical severity (CVSS 9.8), this vulnerability is remotely explo

CVE-2021-42094 CRITICAL Act Now

9.8 Oct 07

An issue was discovered in Zammad before 4.1.1. Rated critical severity (CVSS 9.8), this vulnerability is remotely explo

CVE-2020-26030 CRITICAL Act Now

9.8 Dec 28

An issue was discovered in Zammad before 3.4.1. Rated critical severity (CVSS 9.8), this vulnerability is remotely explo

CVE-2024-33668 CRITICAL Act Now

9.1 Apr 26

An issue was discovered in Zammad before 6.3.0. Rated critical severity (CVSS 9.1), this vulnerability is remotely explo

CVE-2026-84458 CRITICAL Act Now

9.1 Sep 25

Zammad's SSO auto-linking logic can be abused to take over any existing local account, including agent and administrator

CVE-2022-27332 CRITICAL Act Now

9.1 Apr 27

An access control issue in Zammad v5.0.3 allows attackers to write entries to the CTI caller log without authentication.

CVE-2021-42091 CRITICAL Act Now

9.1 Oct 07

An issue was discovered in Zammad before 4.1.1. Rated critical severity (CVSS 9.1), this vulnerability is remotely explo

Same weakness CWE-521 – Weak Password Requirements

View all

CVE-2012-2441 HIGH POC

8.5

CVE-2024-42850 CRITICAL POC

9.8

CVE-2025-28200 CRITICAL POC

9.8

CVE-2025-28389 CRITICAL POC

9.8

CVE-2025-63747 CRITICAL POC

9.8

CVE-2023-37756 CRITICAL POC

9.8

CVE-2023-2160 CRITICAL POC

9.8

CVE-2023-2106 CRITICAL POC

9.8

Same technique Denial Of Service

View all

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://zammad.com/en/advisories/zaa-2022-03

Search Externally

GitHub PoC

Exploit-DB PacketStorm Snyk Rapid7 Nuclei Templates Trickest PoC

Back