CVE-2011-1213

CVE-2011-1213 is a critical-severity vulnerability in Ibm Lotus Notes with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 33% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-189.

Key facts

Description

Integer underflow in lzhsr.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 header in a .lzh attachment that triggers a stack-based buffer overflow, aka SPR PRAD88MJ2W.

Frequently asked questions

What is CVE-2011-1213?
Integer underflow in lzhsr.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 header in a .lzh attachment that triggers a stack-based buffer overflow, aka SPR PRAD88MJ2W.
How severe is CVE-2011-1213?
CVE-2011-1213 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2011-1213 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 33% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-1213?
CVE-2011-1213 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-2011-1213?
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-2011-1213 published?
CVE-2011-1213 was published on 2011-05-31 and last updated on 2026-06-16.

References

Affected products (106)

More vulnerabilities in Ibm Lotus Notes

All CVEs affecting Ibm Lotus Notes →

Other CWE-189 (Numeric Errors) vulnerabilities

Browse all CWE-189 (Numeric Errors) vulnerabilities →