CVE-2021-42086

HIGHNVD 8.88.8—

8.8

An issue was discovered in Zammad before 4.1.1. An Agent account can modify account data, and gain admin access, via a crafted request.

CVSS v3: 8.8
EG Score: 8.8(medium)
EPSS: 66.8%
KEV: Not listed

Published

October 7, 2021

Last Modified

November 21, 2024

References (2)

cve@mitrehttps://zammad.com/en/advisories/zaa-2021-09
af854a3a-2127-422b-91ae-364da2661108https://zammad.com/en/advisories/zaa-2021-09

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-269Improper Privilege Management

Data Freshness Timeline

(refreshed 15× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

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Frequently asked(5)

What is CVE-2021-42086?

CVE-2021-42086 is a high vulnerability published on October 7, 2021. An issue was discovered in Zammad before 4.1.1. An Agent account can modify account data, and gain admin access, via a crafted request.

When was CVE-2021-42086 disclosed?

CVE-2021-42086 was first published in the National Vulnerability Database on October 7, 2021, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-42086 actively exploited?

CVE-2021-42086 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 66.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-42086?

CVE-2021-42086 has a CVSS v3 base score of 8.8 (NVD).

How do I remediate CVE-2021-42086?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-42086, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2021-42086

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Is Your Infrastructure Affected by CVE-2021-42086?

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Frequently asked(5)

What is CVE-2021-42086?

When was CVE-2021-42086 disclosed?

Is CVE-2021-42086 actively exploited?

What is the CVSS score of CVE-2021-42086?

CVE-2021-42086 has a CVSS v3 base score of 8.8 (NVD).

How do I remediate CVE-2021-42086?

CVE-2021-42086

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-42086?

CVE-2021-42086

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-42086?

🔗 Related CVEs(same CWE)

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References (2)

Frequently asked(5)

Published

Last Modified

References (2)

Frequently asked(5)

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