CVE-2021-20773

MEDIUMNVD 4.34.3—

4.3

There is a vulnerability in Workflow of Cybozu Garoon 4.0.0 to 5.5.0, which may allow a remote authenticated attacker to delete the route information Workflow without the appropriate privilege.

CVSS v3: 4.3
EG Score: 4.3(medium)
EPSS: 39.5%
KEV: Not listed

Published

August 18, 2021

Last Modified

November 21, 2024

References (4)

vultures@jpcerthttps://cs.cybozu.co.jp/2021/007206.html
vultures@jpcerthttps://jvn.jp/en/jp/JVN54794245/index.html
af854a3a-2127-422b-91ae-364da2661108https://cs.cybozu.co.jp/2021/007206.html
af854a3a-2127-422b-91ae-364da2661108https://jvn.jp/en/jp/JVN54794245/index.html

Weakness Classification(1)

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

CWE-269Improper Privilege Management

Data Freshness Timeline

(refreshed 13× 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.

2026-06-05 22:45 UTCepss_batch
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2026-05-31 22:29 UTCepss_batch
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2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 11:52 UTCEG score recompute

Frequently asked(5)

What is CVE-2021-20773?

CVE-2021-20773 is a medium vulnerability published on August 18, 2021. There is a vulnerability in Workflow of Cybozu Garoon 4.0.0 to 5.5.0, which may allow a remote authenticated attacker to delete the route information Workflow without the appropriate privilege.

When was CVE-2021-20773 disclosed?

CVE-2021-20773 was first published in the National Vulnerability Database on August 18, 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-2021-20773 actively exploited?

CVE-2021-20773 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 39.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-20773?

CVE-2021-20773 has a CVSS v3 base score of 4.3 (NVD).

How do I remediate CVE-2021-20773?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-20773, 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.

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CVE-2021-20773

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-20773?

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Published

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References (4)

Frequently asked(5)

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