CVE-2011-1213

Integer underflow in lzhsr.dll in Autonomy KeyView, as used in IBM Lotus Notes before 8.5.2 FP3,...

9.3 HighPublic exploit

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.

Exploit likelihood

33.0%Down 44.1 points since Feb 4, 2022

What each source reports

NVD Score used 9.3

Record: CVE-2011-1213
CVSS 2.0: 9.3 HighAV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness: CWE-189
Updated: 2026-11-02

CVE List No score

Record: CVE-2011-1213
Updated: 2026-11-02

EUVDEUVD-2011-1221 No score

Record: EUVD-2011-1221
Updated: 2026-11-03

GitHub AdvisoriesGHSA-hjxm-p5wf-9v7p No score

Integer underflow in lzhsr.dll in Autonomy KeyView, as used in IBM Lotus Notes before 8.5.2 FP3,...

Record: GHSA-hjxm-p5wf-9v7p
Updated: 2026-11-02

Affected products

ibm lotus notes

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Exploit-DB	Lotus Notes 8.0.x < 8.5.2 FP2 - Autonomy Keyview ('.lzh' Attachment) (Metasploit)	2011-06-23
Metasploit	Lotus Notes 8.0.x - 8.5.2 FP2 - Autonomy Keyview (.lzh Attachment)	2011-05-24
Metasploit	Lotus Notes 8.0.x - 8.5.2 FP2 - Autonomy Keyview (.lzh Attachment)	2011-05-24

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, Exploit-DB, GitHub Advisories, Metasploit, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2011-1213 is a high vulnerability (CVSS 9.3) in Ibm Lotus Notes, published May 31, 2011. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 33.0%, the 98th percentile. No source names a fixed version.