CVE-2009-3699

highpriority · attend · 72EPSS 0.623 · 99 %ileexploit · weaponizedEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

2 exploits · weaponized

Likely / severe?

62.3% (99th) EPSS

CVSS 10 · high

Is it mine?

31 products

Check your exposure

Who says so?

2 sources

enisa_euvd · nvd

EPSS · scored 2026-10-27

Stack-based buffer overflow in libcsa.a (aka the calendar daemon library) in IBM AIX 5.x through 5.3.10 and 6.x through 6.1.3, and VIOS 2.1 and earlier, allows remote attackers to execute arbitrary code via a long XDR string in the first argument to procedure 21 of rpc.cmsd.

cvss

Technical severity, 0–10. One row per scoring source.

10.0

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.010highAV:N/AC:L/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 10 · impact 10

v2.010highAV:N/AC:L/Au:N/C:C/I:C/A:C/E:Hsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-119USprimary

exploits (2)

Public proof-of-concept and weaponised exploit code.

exploit/aix/rpc_cmsd_opcode21AIX Calendar Manager Service Daemon (rpc.cmsd) Opcode 21 Buffer Overflowweaponized · metasploit
EDB-16929AIX Calendar Manager Service Daemon (rpc.cmsd) Opcode 21 - Buffer Overflow (Metasploit)functional · exploit_db

affected products (31)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
ibm aix= 5nvdUScpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:*
ibm aix= 5.1nvdUScpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:*
ibm aix= 5.1.0.10nvdUScpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:*
ibm aix= 5.1lnvdUScpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:*
ibm aix= 5.2nvdUScpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:*
ibm aix= 5.2.0nvdUScpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:*
ibm aix= 5.2.0.50nvdUScpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:*
ibm aix= 5.2.0.54nvdUScpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:*
ibm aix= 5.2.2nvdUScpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:*
ibm aix= 5.2_lnvdUScpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:*
ibm aix= 5.3nvdUScpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:*
ibm aix= 5.3.0nvdUScpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:*
ibm aix= 5.3.0.20nvdUScpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:*
ibm aix= 5.3.10nvdUScpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:*
ibm aix= 5.3.7nvdUScpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:*
ibm aix= 5.3.8nvdUScpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:*
ibm aix= 5.3.9nvdUScpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:*
ibm aix= 5.3_lnvdUScpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:*
ibm aix= 5.3_ml03nvdUScpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:*

showing 20 of 31

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd nvd NVD CVE.org MITRE

published 2009-10-15modified 2026-06-16

related (21,043)

Related entries.

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+21038 more

references (36)

External citations — patches, advisories, analysis.

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