CVE-2021-42090 : An issue was discovered in Zammad before 4.1.1. The Form functionality allows re

An issue was discovered in Zammad before 4.1.1. The Form functionality allows remote code execution because deserialization is mishandled.

Published 2021-10-07 21:15:08

Updated 2021-10-14 13:17:44

Source MITRE

View at NVD, CVE.org

Vulnerability category: Execute code

Products affected by CVE-2021-42090

Zammad » Zammad
Versions before (<) 4.1.1
cpe:2.3:a:zammad:zammad:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

1.20%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 86 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.5	HIGH	AV:N/AC:L/Au:N/C:P/I:P/A:P	10.0	6.4	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE-502 Deserialization of Untrusted Data

The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid.

Assigned by: nvd@nist.gov (Primary)

https://zammad.com/en/advisories/zaa-2021-14

Security Advisory ZAA-2021-14 | Zammad
Vendor Advisory

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