CVE-2011-4187

Buffer overflow in the GetDriverSettings function in nipplib.dll in Novell iPrint Client before 5.78 on Windows allows remote attackers to execute arbitrary code via a long realm field, a different vulnerability than CVE-2011-3173.

Published: 2012-02-21 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2011-4187 is rated High Risk (69.3/100): CVSS Critical severity, with high exploitation likelihood (EPSS 17.30%, 95th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2011-4187

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-03-27 21.23% 17.30% -3.93%
2 2026-01-11 24.01% 21.23% -2.78%
3 2025-10-21 24.01%

Full EPSS history (18 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-4187

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
10.0 10.0 [email protected]

Weakness enumeration for CVE-2011-4187

Affected software / configurations for CVE-2011-4187

Vendor Product Version Raw CPE
novell iprint <= 5.74 cpe:2.3:a:novell:iprint:*:*:*:*:*:*:*:*
novell iprint 4.26 cpe:2.3:a:novell:iprint:4.26:*:*:*:*:*:*:*
novell iprint 4.27 cpe:2.3:a:novell:iprint:4.27:*:*:*:*:*:*:*
novell iprint 4.28 cpe:2.3:a:novell:iprint:4.28:*:*:*:*:*:*:*
novell iprint 4.30 cpe:2.3:a:novell:iprint:4.30:*:*:*:*:*:*:*
novell iprint 4.32 cpe:2.3:a:novell:iprint:4.32:*:*:*:*:*:*:*
novell iprint 4.34 cpe:2.3:a:novell:iprint:4.34:*:*:*:*:*:*:*
novell iprint 4.36 cpe:2.3:a:novell:iprint:4.36:*:*:*:*:*:*:*
novell iprint 4.38 cpe:2.3:a:novell:iprint:4.38:*:*:*:*:*:*:*
novell iprint 5.04 cpe:2.3:a:novell:iprint:5.04:*:*:*:*:*:*:*
novell iprint 5.12 cpe:2.3:a:novell:iprint:5.12:*:*:*:*:*:*:*
novell iprint 5.20b cpe:2.3:a:novell:iprint:5.20b:*:*:*:*:*:*:*
novell iprint 5.30 cpe:2.3:a:novell:iprint:5.30:*:*:*:*:*:*:*
novell iprint 5.32 cpe:2.3:a:novell:iprint:5.32:*:*:*:*:*:*:*
novell iprint 5.40 cpe:2.3:a:novell:iprint:5.40:*:*:*:*:*:*:*
novell iprint 5.42 cpe:2.3:a:novell:iprint:5.42:*:*:*:*:*:*:*
novell iprint 5.44 cpe:2.3:a:novell:iprint:5.44:*:*:*:*:*:*:*
novell iprint 5.50 cpe:2.3:a:novell:iprint:5.50:*:*:*:*:*:*:*
novell iprint 5.52 cpe:2.3:a:novell:iprint:5.52:*:*:*:*:*:*:*
novell iprint 5.56 cpe:2.3:a:novell:iprint:5.56:*:*:*:*:*:*:*
novell iprint 5.60 cpe:2.3:a:novell:iprint:5.60:*:*:*:*:*:*:*
novell iprint 5.64 cpe:2.3:a:novell:iprint:5.64:*:*:*:*:*:*:*
novell iprint 5.68 cpe:2.3:a:novell:iprint:5.68:*:*:*:*:*:*:*
novell iprint 5.72 cpe:2.3:a:novell:iprint:5.72:*:*:*:*:*:*:*

References for CVE-2011-4187

cvelogic Threat Intelligence