Is CVE-2011-4881 being actively exploited?

CVE-2011-4881 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2011-4881?

CVE-2011-4881 has a CVSS 2.0 base score of 5.0 (MEDIUM).

CVE-2011-4881

MEDIUM · CVSS 5.0EPSS 7.5%EU EUVD

The web server in Certec atvise webMI2ADS (aka webMI) before 2.0.2 does not properly check return values from functions, which allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted HTTP request.

Key facts

CVSS score: 5.0 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS score: 7.5% (95th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2011-4798)
Published: April 13, 2012
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-4798 in the EU Vulnerability Database. Last updated in EUVD on September 16, 2024.

View on the EU Vulnerability Database

Affected products

atvise / webmi2ads
atvise / webmi2ads
atvise / webmi2ads

References

http://www.us-cert.gov/control_systems/pdf/ICSA-12-102-01.pdf(US Government Resource)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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