CVE-2011-4191

NONECVSS 0.0Weaponized

0.0

Stack-based buffer overflow in the xdrDecodeString function in XNFS.NLM in Novell NetWare 6.5 SP8 allows remote attackers to execute arbitrary code or cause a denial of service (abend or NFS outage) via long packets.

CVSS v3: —
EG Score: 0.0(none)
EPSS: 95.1%
KEV: Not listed

Published

November 30, 2011

Last Modified

April 29, 2026

References (6)

cve@mitrehttp://download.novell.com/Download?buildid=Cfw1tDezgbw~
cve@mitrehttps://bugzilla.novell.com/show_bug.cgi?id=671020
cve@mitrehttps://bugzilla.novell.com/show_bug.cgi?id=702491
af854a3a-2127-422b-91ae-364da2661108http://download.novell.com/Download?buildid=Cfw1tDezgbw~
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.novell.com/show_bug.cgi?id=671020
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.novell.com/show_bug.cgi?id=702491

Weakness Classification(1)

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

CWE-119Buffer Operations Within Bounds (Buffer Overflow)

Data Freshness Timeline

(refreshed 13× in last 7d / 53× 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.

2026-06-23 21:30 UTCEPSS rescore
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2026-06-06 13:45 UTCEPSS rescore
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2026-05-29 06:09 UTCEG score recompute
2026-05-29 06:09 UTCGHSA enrichment
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Publicly available exploits

(3 references)

Working exploit code is in the public domain (3 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-18351✓ verified
First seen Jan 10, 2012
Novell Netware - XNFS caller_name xdrDecodeString Remote Code Execution
Open source ↗
Exploit-DBEDB-18327✓ verified
First seen Jan 6, 2012
Novell Netware - XNFS.NLM NFS Rename Remote Code Execution
Open source ↗
Exploit-DBEDB-18328✓ verified
First seen Jan 6, 2012
Novell Netware - XNFS.NLM STAT Notify Remote Code Execution
Open source ↗

Frequently asked(4)

What is CVE-2011-4191?

CVE-2011-4191 is a none vulnerability published on November 30, 2011. Stack-based buffer overflow in the xdrDecodeString function in XNFS.NLM in Novell NetWare 6.5 SP8 allows remote attackers to execute arbitrary code or cause a denial of service (abend or NFS outage) via long packets.

When was CVE-2011-4191 disclosed?

CVE-2011-4191 was first published in the National Vulnerability Database on November 30, 2011, 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-2011-4191 actively exploited?

CVE-2011-4191 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 95.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2011-4191?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2011-4191, 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.

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CVE-2011-4191

📅 Published

🔄 Last Modified

🔗 References (6)

Weakness Classification(1)

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(4)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2011-4191?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (6)

Frequently asked(4)

Related CVEs(same CWE)