CVE-2021-43703

CRITICALNVD 9.89.8—

9.8

An Incorrect Access Control vulnerability exists in zzcms less than or equal to 2019 via admin.php. After disabling JavaScript, you can directly access the administrator console.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 75.4%
KEV: Not listed

Published

December 9, 2021

Last Modified

November 21, 2024

References (2)

cve@mitrehttps://github.com/forget-code/zzcms/issues/1
af854a3a-2127-422b-91ae-364da2661108https://github.com/forget-code/zzcms/issues/1

Weakness Classification(1)

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

CWE-863Incorrect Authorization

Data Freshness Timeline

(refreshed 11× in last 7d / 20× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-08 14:15 UTCEPSS rescore
2026-06-08 14:15 UTCEPSS rescore
2026-06-07 15:23 UTCEPSS rescore
2026-06-07 15:23 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-05 22:45 UTCEPSS rescore
2026-06-05 06:09 UTCEPSS rescore
2026-06-05 06:09 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-01 13:50 UTCEPSS rescore
2026-06-01 13:50 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 00:15 UTCEPSS rescore
2026-05-31 00:15 UTCEPSS rescore
2026-05-29 13:42 UTCEPSS rescore

Frequently asked(5)

What is CVE-2021-43703?

CVE-2021-43703 is a critical vulnerability published on December 9, 2021. An Incorrect Access Control vulnerability exists in zzcms less than or equal to 2019 via admin.php. After disabling JavaScript, you can directly access the administrator console.

When was CVE-2021-43703 disclosed?

CVE-2021-43703 was first published in the National Vulnerability Database on December 9, 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-2021-43703 actively exploited?

CVE-2021-43703 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 75.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-43703?

CVE-2021-43703 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2021-43703?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-43703, 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

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CVE-2021-43703

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-43703?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)