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CVE-2011-1213· NVD / CVE Program· CNA mitre

Integer underflow in lzhsr.dll in Autonomy KeyView, as used in IBM Lotus Notes before 8.5.2 FP3, allows remote attackers to execute arbitrar

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.

CriticalCVSS 9.3 · v2.0—Weaponized No fix recorded

Noroxi analysis

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Published
May 31, 2011
Updated
Jun 16, 2026
EPSS
33.0% · 98th percentile
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Report tools

JSON

Action score

47

Plan

Add it to your regular patch cycle.

CVSS
37 / 40 · 9.3 / 10
CISA KEV
0 / 30 · Not listed
EPSS
10 / 30 · 33.0%

Affected systems

VendorProduct
ibmlotus notes

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • ibm lotus notesup to 8.5.2.2 inclusive
  • ibm lotus notes3.0
  • ibm lotus notes3.0.0.1
  • ibm lotus notes3.0.0.2
  • ibm lotus notes4.2
  • ibm lotus notes4.2.1
  • ibm lotus notes4.2.2
  • ibm lotus notes4.5
  • ibm lotus notes4.6
  • ibm lotus notes4.6.7a
  • ibm lotus notes4.6.7h
  • ibm lotus notes5.0
  • ibm lotus notes5.0.1
  • ibm lotus notes5.0.1.02
  • ibm lotus notes5.0.10
  • ibm lotus notes5.0.11
  • ibm lotus notes5.0.12
  • ibm lotus notes5.0.1a
  • ibm lotus notes5.0.1b
  • ibm lotus notes5.0.1c

Same product

ibm: all records

Other highest-scoring records for the same primary product.

  • CVE-2012-2174The URL handler in IBM Lotus Notes 8.x before 8.5.3 FP2 allows remote attackers to execute arbitrary code via a crafted notes:// URL.
    48Plan
  • CVE-2004-0480Argument injection vulnerability in IBM Lotus Notes 6.0.3 and 6.5 allows remote attackers to execute arbitrary code via a notes: URI that us
    43Plan
  • CVE-2010-1608Stack-based buffer overflow in IBM Lotus Notes 8.5 and 8.5fp1, and possibly other versions, allows remote attackers to execute arbitrary cod
    42Plan
  • CVE-2009-3032Integer 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 8.5, Symantec Mail S
    41Plan
  • CVE-2004-2281Multiple 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 attack vectors, relate
    41Plan
  • CVE-2011-1217Buffer overflow in kpprzrdr.dll in Autonomy KeyView, as used in IBM Lotus Notes before 8.5.2 FP3, allows remote attackers to execute arbitra
    39Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

Weaponized

A ready exploit tool or active in-the-wild use is known for this vulnerability. This should be your top priority.

Evidence

  • Metasploit module ×2
  • Exploit-DB entry ×1

Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.

Public exploit evidence
SourceKindDate
Exploit-DB entryremote2011-06-23
Metasploit moduleexploit/windows/fileformat/lotusnotes_lzhLotus Notes 8.0.x - 8.5.2 FP2 - Autonomy Keyview (.lzh Attachment)exploit2011-05-24
Metasploit moduleexploit/windows/lotus/lotusnotes_lzhLotus Notes 8.0.x - 8.5.2 FP2 - Autonomy Keyview (.lzh Attachment)exploit2011-05-24

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

  1. Metasploit-8 d
  2. Published
  3. First PoC+22 d
  4. TodaySep 30, 2026+5601 d
EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

The product’s vendor appears in a public program. Matched by name; verify the scope text in the program.

Technical details

Attack conditions

    If successful

    Confidentiality
    C · data can be read
    Integrity
    C · data or configuration can be modified
    Availability
    C · the service can be disrupted
    Attack complexity
    M
    Confidentiality impact
    C
    Integrity impact
    C
    Availability impact
    C

    Weakness class (CWE)

    CWE-189 · Numeric Errors

    CVSS vector

    AV:N/AC:M/Au:N/C:C/I:C/A:C

    nvd-primary

    Attack context

    MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

    MITRE has no CAPEC/ATT&CK mapping for this CWE.

    Change log

    No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

    References

    Vendor advisories and official records. Exploit/PoC links are deliberately left out.

    All records