How severe is CVE-2011-1217?

CVE-2011-1217 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2011-1217 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-1217?

CVE-2011-1217 primarily affects Ibm Lotus Notes. In total, 106 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-1217?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2011-1217 published?

CVE-2011-1217 was published on 2011-05-31 and last updated on 2026-06-16.

CVE-2011-1217

CVE-2011-1217 is a critical-severity vulnerability in Ibm Lotus Notes with a CVSS 2.0 base score of 9.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Ibm Lotus Notes
Published: 2011-05-31
Last modified: 2026-06-16

Description

Buffer overflow in kpprzrdr.dll in Autonomy KeyView, as used in IBM Lotus Notes before 8.5.2 FP3, allows remote attackers to execute arbitrary code via a crafted .prz attachment. NOTE: some of these details are obtained from third party information.

Frequently asked questions

What is CVE-2011-1217?: Buffer overflow in kpprzrdr.dll in Autonomy KeyView, as used in IBM Lotus Notes before 8.5.2 FP3, allows remote attackers to execute arbitrary code via a crafted .prz attachment. NOTE: some of these details are obtained from third party information.
How severe is CVE-2011-1217?: CVE-2011-1217 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2011-1217 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-1217?: CVE-2011-1217 primarily affects Ibm Lotus Notes. In total, 106 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-1217?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2011-1217 published?: CVE-2011-1217 was published on 2011-05-31 and last updated on 2026-06-16.

References

Affected products (106)

cpe:2.3:a:ibm:lotus_notes:*:*:*:*:*:*:*:*
cpe:2.3:a:ibm:lotus_notes:3.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:lotus_notes:3.0.0.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:lotus_notes:3.0.0.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:lotus_notes:4.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:lotus_notes:4.2.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:lotus_notes:4.2.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:lotus_notes:4.5:*:*:*:*:*:*:*
cpe:2.3:a:ibm:lotus_notes:4.6:*:*:*:*:*:*:*
cpe:2.3:a:ibm:lotus_notes:4.6.7a:*:*:*:*:*:*:*
cpe:2.3:a:ibm:lotus_notes:4.6.7h:*:*:*:*:*:*:*
cpe:2.3:a:ibm:lotus_notes:5.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:lotus_notes:5.0.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:lotus_notes:5.0.1.02:*:*:*:*:*:*:*
cpe:2.3:a:ibm:lotus_notes:5.0.1a:*:*:*:*:*:*:*
cpe:2.3:a:ibm:lotus_notes:5.0.1b:*:*:*:*:*:*:*
cpe:2.3:a:ibm:lotus_notes:5.0.1c:*:*:*:*:*:*:*
cpe:2.3:a:ibm:lotus_notes:5.0.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:lotus_notes:5.0.2a:*:*:*:*:*:*:*
cpe:2.3:a:ibm:lotus_notes:5.0.2b:*:*:*:*:*:*:*
cpe:2.3:a:ibm:lotus_notes:5.0.2c:*:*:*:*:*:*:*
cpe:2.3:a:ibm:lotus_notes:5.0.3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:lotus_notes:5.0.4:*:*:*:*:*:*:*
cpe:2.3:a:ibm:lotus_notes:5.0.4a:*:*:*:*:*:*:*
cpe:2.3:a:ibm:lotus_notes:5.0.5:*:*:*:*:*:*:*
cpe:2.3:a:ibm:lotus_notes:5.0.5.01:*:*:*:*:*:*:*
cpe:2.3:a:ibm:lotus_notes:5.0.5.02:*:*:*:*:*:*:*
cpe:2.3:a:ibm:lotus_notes:5.0.6:*:*:*:*:*:*:*
cpe:2.3:a:ibm:lotus_notes:5.0.6a:*:*:*:*:*:*:*
cpe:2.3:a:ibm:lotus_notes:5.0.6a.01:*:*:*:*:*:*:*
cpe:2.3:a:ibm:lotus_notes:5.0.7:*:*:*:*:*:*:*
cpe:2.3:a:ibm:lotus_notes:5.0.7a:*:*:*:*:*:*:*
cpe:2.3:a:ibm:lotus_notes:5.0.8:*:*:*:*:*:*:*
cpe:2.3:a:ibm:lotus_notes:5.0.9:*:*:*:*:*:*:*
cpe:2.3:a:ibm:lotus_notes:5.0.9a:*:*:*:*:*:*:*
cpe:2.3:a:ibm:lotus_notes:5.0.10:*:*:*:*:*:*:*
cpe:2.3:a:ibm:lotus_notes:5.0.11:*:*:*:*:*:*:*
cpe:2.3:a:ibm:lotus_notes:5.0.12:*:*:*:*:*:*:*
cpe:2.3:a:ibm:lotus_notes:5.0a:*:*:*:*:*:*:*
cpe:2.3:a:ibm:lotus_notes:5.02:*:*:*:*:*:*:*

More vulnerabilities in Ibm Lotus Notes

CVE-2010-1608 — Critical (CVSS 10.0): Stack-based buffer overflow in IBM Lotus Notes 8.5 and 8.5fp1, and possibly other versions, allows remote attackers to…
CVE-2009-3032 — Critical (CVSS 10.0): Integer overflow in kvolefio.dll 8.5.0.8339 and 10.5.0.0 in the Autonomy KeyView Filter SDK, as used in IBM Lotus Notes…
CVE-2006-0119 — Critical (CVSS 10.0): Multiple unspecified vulnerabilities in IBM Lotus Notes and Domino Server before 6.5.5 have unknown impact and attack…
CVE-2004-2281 — Critical (CVSS 10.0): Multiple unknown vulnerabilities in IBM Lotus Notes 6.5.x before 6.5.4 and 6.0.x before 6.0.5 have unknown impact and…
CVE-2004-0480 — Critical (CVSS 10.0): Argument injection vulnerability in IBM Lotus Notes 6.0.3 and 6.5 allows remote attackers to execute arbitrary code via…
CVE-2012-6349 — Critical (CVSS 9.3): Buffer overflow in the .mdb parser in Autonomy KeyView IDOL, as used in IBM Notes 8.5.x before 8.5.3 FP4, allows remote…

All CVEs affecting Ibm Lotus Notes →

Other CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities

CVE-2026-2778 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component. This vulnerability was fixed in…
CVE-2026-2776 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software. This vulnerability…
CVE-2025-1866 — Critical (CVSS 10.0): Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in warmcat libwebsockets allows…
CVE-2022-27625 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
CVE-2022-27624 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
CVE-2020-11896 — Critical (CVSS 10.0): The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.

Browse all CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities →