Zammad up to 4.1.0 deserialization

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Zammad up to 4.1.0. This affects an unknown function. Executing a manipulation can lead to deserialization. This vulnerability is registered as CVE-2021-42090. It is possible to launch the attack remotely. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Zammad up to 4.1.0. This vulnerability affects some unknown functionality. The manipulation with an unknown input leads to a deserialization vulnerability. The CWE definition for the vulnerability is CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was published 10/08/2021 as zaa-2021-14. The advisory is shared for download at zammad.com. This vulnerability was named CVE-2021-42090 since 10/07/2021. There are neither technical details nor an exploit publicly available.

Upgrading to version 4.1.1 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
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: Deserialization
CWE: CWE-502 / CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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 4.1.1

Timelineinfo

10/07/2021 🔍
10/08/2021 +1 days 🔍
10/08/2021 +0 days 🔍
10/10/2021 +2 days 🔍

Sourcesinfo

Advisory: zaa-2021-14
Status: Confirmed

CVE: CVE-2021-42090 (🔍)
GCVE (CVE): GCVE-0-2021-42090
GCVE (VulDB): GCVE-100-184060

Entryinfo

Created: 10/08/2021 08:57
Updated: 10/10/2021 17:10
Changes: 10/08/2021 08:57 (38), 10/10/2021 17:10 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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