CVE-2011-4883

NONECVSS 0.0Weaponized

0.0

The web server in Certec atvise webMI2ADS (aka webMI) before 2.0.2 does not properly validate values in HTTP requests, which allows remote attackers to cause a denial of service (resource consumption) via a crafted request.

CVSS v3: —
EG Score: 0.0(none)
EPSS: 93.9%
KEV: Not listed

Published

April 13, 2012

Last Modified

April 29, 2026

References (2)

cret@certhttp://www.us-cert.gov/control_systems/pdf/ICSA-12-102-01.pdf
af854a3a-2127-422b-91ae-364da2661108http://www.us-cert.gov/control_systems/pdf/ICSA-12-102-01.pdf

Weakness Classification(1)

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

CWE-20Improper Input Validation

Data Freshness Timeline

(refreshed 10× 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 22:44 UTCepss_batch
2026-06-05 22:44 UTCepss_batch
2026-06-04 13:09 UTCepss_batch
2026-06-02 20:10 UTCepss_batch
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2026-06-01 13:49 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
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2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-29 04:53 UTCEG score recompute
2026-05-29 04:53 UTCGHSA enrichment
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
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2026-05-26 13:41 UTCepss_batch
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2026-05-26 07:16 UTCepss_batch

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-17963✓ verified
First seen Oct 10, 2011
atvise webMI2ADS Web Server 1.0 - Multiple Vulnerabilities
Open source ↗

Frequently asked(4)

What is CVE-2011-4883?

CVE-2011-4883 is a none vulnerability published on April 13, 2012. The web server in Certec atvise webMI2ADS (aka webMI) before 2.0.2 does not properly validate values in HTTP requests, which allows remote attackers to cause a denial of service (resource consumption) via a crafted request.

When was CVE-2011-4883 disclosed?

CVE-2011-4883 was first published in the National Vulnerability Database on April 13, 2012, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2011-4883 actively exploited?

CVE-2011-4883 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 93.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2011-4883?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2011-4883, 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-2011-4883

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(4)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2011-4883?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (2)

Frequently asked(4)

Related CVEs(same CWE)