CVE-2021-27702

HIGHNVD 7.37.3—

7.3

Sercomm Router Etisalat Model S3- AC2100 is affected by Incorrect Access Control via the diagnostic utility in the router dashboard.

CVSS v3: 7.3
EG Score: 7.3(medium)
EPSS: 40.3%
KEV: Not listed

Published

November 12, 2024

Last Modified

April 15, 2026

References (1)

cve@mitrehttps://github.com/Mrnmap/mrnmap-cve/blob/main/CVE-2021-27702

Weakness Classification(1)

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

CWE-77Command Injection

Data Freshness Timeline

(refreshed 11× 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.

2026-06-04 13:10 UTCepss_batch
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Frequently asked(5)

What is CVE-2021-27702?

CVE-2021-27702 is a high vulnerability published on November 12, 2024. Sercomm Router Etisalat Model S3- AC2100 is affected by Incorrect Access Control via the diagnostic utility in the router dashboard.

When was CVE-2021-27702 disclosed?

CVE-2021-27702 was first published in the National Vulnerability Database on November 12, 2024, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-27702 actively exploited?

CVE-2021-27702 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 40.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-27702?

CVE-2021-27702 has a CVSS v3 base score of 7.3 (NVD).

How do I remediate CVE-2021-27702?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-27702, 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-2021-27702

📅 Published

🔄 Last Modified

🔗 References (1)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-27702?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (1)

Frequently asked(5)

Related CVEs(same CWE)