Zammad up to 3.4.0 X-On-Behalf-Of Header improper authorization

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Zammad up to 3.4.0. This affects an unknown part of the component X-On-Behalf-Of Header Handler. This manipulation causes improper authorization. This vulnerability is handled as CVE-2020-26029. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Zammad up to 3.4.0. Affected by this vulnerability is some unknown functionality of the component X-On-Behalf-Of Header Handler. The manipulation with an unknown input leads to a improper authorization vulnerability. The CWE definition for the vulnerability is CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 12/28/2020. The advisory is shared at zammad.com. This vulnerability is known as CVE-2020-26029. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1548.002 for this issue.

Upgrading to version 3.4.1 eliminates this vulnerability.

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Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authorization
CWE: CWE-285 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Zammad 3.4.1

Timelineinfo

12/28/2020 🔍
12/28/2020 +0 days 🔍
12/28/2020 +0 days 🔍

Sourcesinfo

Advisory: zammad.com
Status: Confirmed

CVE: CVE-2020-26029 (🔍)
GCVE (CVE): GCVE-0-2020-26029
GCVE (VulDB): GCVE-100-166861

Entryinfo

Created: 12/28/2020 14:35
Changes: 12/28/2020 14:35 (37)
Complete: 🔍
Cache ID: 216::103

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