CVE-2024-33668 - Vulnerability Details - OpenCVE

Description

An issue was discovered in Zammad before 6.3.0. The Zammad Upload Cache uses insecure, partially guessable FormIDs to identify content. An attacker could try to brute force them to upload malicious content to article drafts they have no access to.

Published: 2024-04-26

Score: 9.1 Critical

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

OR	cpe:2.3:a:zammad:zammad::::::::
	cpe:2.3:a:zammad:zammad:6.3.0:alpha::::::

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00443.

Exploitation poc

Automatable yes

Technical Impact total

References

Link	Providers
https://zammad.com/en/advisories/zaa-2024-02

History

Tue, 15 Apr 2025 17:00:00 +0000

Type	Values Removed	Values Added
CPEs		cpe:2.3:a:zammad:zammad:::::::: cpe:2.3:a:zammad:zammad:6.3.0:alpha::::::

Subscriptions

Zammad Zammad

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2024-04-26T00:00:00.000Z

Updated: 2024-08-02T02:36:04.478Z

Reserved: 2024-04-26T00:00:00.000Z

Link: CVE-2024-33668

Vulnrichment

Updated: 2024-04-26T15:27:54.819Z

NVD

Status : Analyzed

Published: 2024-04-26T01:15:46.320

Modified: 2026-06-17T07:32:12.167

Link: CVE-2024-33668

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-639
Authorization Bypass Through User-Controlled Key

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2024-33668", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2024-08-02T02:36:04.478Z", "dateReserved": "2024-04-26T00:00:00.000Z", "datePublished": "2024-04-26T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2024-04-26T00:35:19.549Z"}, "descriptions": [{"lang": "en", "value": "An issue was discovered in Zammad before 6.3.0. The Zammad Upload Cache uses insecure, partially guessable FormIDs to identify content. An attacker could try to brute force them to upload malicious content to article drafts they have no access to."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://zammad.com/en/advisories/zaa-2024-02"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.1, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2024-33668", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2024-06-03T17:24:14.827675Z"}}}], "affected": [{"cpes": ["cpe:2.3:a:zammad:zammad:6.2.0:alpha:*:*:*:*:*:*"], "vendor": "zammad", "product": "zammad", "versions": [{"status": "affected", "version": "6.2.0", "lessThan": "6.3.0", "versionType": "custom"}], "defaultStatus": "unknown"}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-639", "description": "CWE-639 Authorization Bypass Through User-Controlled Key"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-04T17:45:27.382Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T02:36:04.478Z"}, "title": "CVE Program Container", "references": [{"url": "https://zammad.com/en/advisories/zaa-2024-02", "tags": ["x_transferred"]}]}]}}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}, {"affectedData": [{"cpes": ["cpe:2.3:a:zammad:zammad:6.2.0:alpha:*:*:*:*:*:*"], "defaultStatus": "unknown", "product": "zammad", "vendor": "zammad", "versions": [{"lessThan": "6.3.0", "status": "affected", "version": "6.2.0", "versionType": "custom"}]}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:zammad:zammad:*:*:*:*:*:*:*:*", "matchCriteriaId": "E5E2015B-6D7D-4369-BDE2-06E48632B741", "versionEndExcluding": "6.3.0", "versionStartIncluding": "6.2.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:zammad:zammad:6.3.0:alpha:*:*:*:*:*:*", "matchCriteriaId": "EB556B18-88A9-48C9-BA1B-D49B75E4A844", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in Zammad before 6.3.0. The Zammad Upload Cache uses insecure, partially guessable FormIDs to identify content. An attacker could try to brute force them to upload malicious content to article drafts they have no access to."}, {"lang": "es", "value": "Se descubri\u00f3 un problema en Zammad antes de la versi\u00f3n 6.3.0. Zammad Upload Cache utiliza FormID inseguros y parcialmente adivinables para identificar el contenido. Un atacante podr\u00eda intentar forzarlos para que carguen contenido malicioso en borradores de art\u00edculos a los que no tienen acceso."}], "id": "CVE-2024-33668", "lastModified": "2026-06-17T07:32:12.167", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.2, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-33668", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2024-06-03T17:24:14.827675Z", "version": "2.0.3"}}]}, "published": "2024-04-26T01:15:46.320", "references": [{"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://zammad.com/en/advisories/zaa-2024-02"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://zammad.com/en/advisories/zaa-2024-02"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-639"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}