HIGH
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
Published Oct 15, 2009
10.0
HIGHCVSS 2.0
EPSS 62.34%
Description
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.
Affected products
No data.
OR
- ≤ 2.1.0
- 1.4
- 1.5.0
- 1.5.1
- 1.5.2
- 5
- 5.1
- 5.1.0.10
- 5.1l
- 5.2
- 5.2.0
- 5.2.0.50
- 5.2.0.54
- 5.2.2
- 5.2_l
- 5.3
- 5.3
- 5.3.0
- 5.3.0.20
- 5.3.7
- 5.3.8
- 5.3.9
- 5.3.10
- 5.3_l
- 5.3_ml03
- 5l
- 6.1
- 6.1.0
- 6.1.1
- 6.1.2
- 6.1.3
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
10.0 HIGH NVD
AV:N/AC:L/Au:N/C:C/I:C/A:C
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
62.34% 0.62345
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.62345
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (25 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 62.34% (0.62345) | 99.16th | v5 (v2026.06.15) |
| Jun 15, 2026 | 62.09% (0.62089) | 99.07th | v5 (v2026.06.15) |
| Jul 3, 2025 | 78.52% (0.78521) | 98.98th | v4 (v2025.03.14) |
| Jun 27, 2025 | 76.79% (0.76792) | 98.89th | v4 (v2025.03.14) |
| Jun 12, 2025 | 66.19% (0.66185) | 98.40th | v4 (v2025.03.14) |
| May 15, 2025 | 67.70% (0.67703) | 98.45th | v4 (v2025.03.14) |
| Mar 30, 2025 | 70.73% (0.70735) | 98.59th | v4 (v2025.03.14) |
| Mar 29, 2025 | 76.49% (0.76487) | 98.62th | v4 (v2025.03.14) |
| Mar 17, 2025 | 70.73% (0.70735) | 98.60th | v4 (v2025.03.14) |
| Feb 11, 2025 | 88.32% (0.88318) | 98.98th | v3 (v2023.03.01) |
| Dec 17, 2024 | 90.37% (0.90369) | 99.07th | v3 (v2023.03.01) |
| Dec 4, 2024 | 73.42% (0.73419) | 98.22th | v3 (v2023.03.01) |
| Oct 28, 2024 | 77.60% (0.77604) | 98.30th | v3 (v2023.03.01) |
| Sep 21, 2024 | 78.96% (0.78957) | 98.31th | v3 (v2023.03.01) |
| Jul 5, 2024 | 75.27% (0.75270) | 98.17th | v3 (v2023.03.01) |
| May 25, 2024 | 72.14% (0.72138) | 98.07th | v3 (v2023.03.01) |
| Mar 3, 2024 | 75.53% (0.75534) | 98.08th | v3 (v2023.03.01) |
| Jan 18, 2024 | 70.45% (0.70449) | 97.75th | v3 (v2023.03.01) |
| Dec 3, 2023 | 64.66% (0.64662) | 97.56th | v3 (v2023.03.01) |
| Jul 21, 2023 | 64.26% (0.64260) | 97.40th | v3 (v2023.03.01) |
| Jun 8, 2023 | 61.02% (0.61021) | 97.27th | v3 (v2023.03.01) |
| Apr 26, 2023 | 47.88% (0.47875) | 96.90th | v3 (v2023.03.01) |
| Mar 7, 2023 | 29.58% (0.29584) | 96.18th | v3 (v2023.03.01) |
| Mar 6, 2023 | 78.44% (0.78441) | 99.46th | v2 (v2022.01.01) |
| Feb 4, 2022 | 78.44% (0.78441) | 99.35th | v2 (v2022.01.01) |
Weaknesses (1)
References (18)
- http://aix.software.ibm.com/aix/efixes/security/cmsd_advisory.asc x_refsource_CONFIRMVendor Advisory
- http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=825 third-party-advisoryx_refsource_IDEFENSEPatch
- http://secunia.com/advisories/36978 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://securitytracker.com/id?1022996 vdb-entryx_refsource_SECTRACK
- http://www.ibm.com/support/docview.wss?uid=isg1IZ61628 vendor-advisoryx_refsource_AIXAPAR
- http://www.ibm.com/support/docview.wss?uid=isg1IZ61717 vendor-advisoryx_refsource_AIXAPAR
- http://www.ibm.com/support/docview.wss?uid=isg1IZ62123 vendor-advisoryx_refsource_AIXAPAR
- http://www.ibm.com/support/docview.wss?uid=isg1IZ62237 vendor-advisoryx_refsource_AIXAPAR
- http://www.ibm.com/support/docview.wss?uid=isg1IZ62569 vendor-advisoryx_refsource_AIXAPAR
- http://www.ibm.com/support/docview.wss?uid=isg1IZ62570 vendor-advisoryx_refsource_AIXAPAR
- http://www.ibm.com/support/docview.wss?uid=isg1IZ62571 vendor-advisoryx_refsource_AIXAPAR
- http://www.ibm.com/support/docview.wss?uid=isg1IZ62572 vendor-advisoryx_refsource_AIXAPARVendor Advisory
- http://www.ibm.com/support/docview.wss?uid=isg1IZ62672 vendor-advisoryx_refsource_AIXAPAR
- http://www.osvdb.org/58726 vdb-entryx_refsource_OSVDB
- http://www.securityfocus.com/bid/36615 vdb-entryx_refsource_BIDExploitPatch
- http://www.vupen.com/english/advisories/2009/2846 vdb-entryx_refsource_VUPENPatchVendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/53681 vdb-entryx_refsource_XF
- https://www.immunityinc.com/downloads/immpartners/aixcmsd10092009.tar.gz x_refsource_MISC
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Oct 15, 2009
Updated Aug 7, 2024
Reserved Oct 14, 2009
Link CVE-2009-3699
CISA Vulnrichment
Updated n/a