CVE-2017-12969
Buffer overflow in the ViewerCtrlLib.ViewerCtrl ActiveX control in Avaya IP Office Contact Center...
Buffer overflow in the ViewerCtrlLib.ViewerCtrl ActiveX control in Avaya IP Office Contact Center before 10.1.1 allows remote attackers to cause a denial of service (heap corruption and crash) or execute arbitrary code via a long string to the open method.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Buffer overflow in the ViewerCtrlLib.ViewerCtrl ActiveX control in Avaya IP Office Contact Center before 10.1.1 allows remote attackers to cause a denial of service (heap corruption and crash) or execute arbitrary code via a long string to the open method.
- Record
CVE-2017-12969- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-119
- Updated
- 2026-11-02
CVE List No score
Buffer overflow in the ViewerCtrlLib.ViewerCtrl ActiveX control in Avaya IP Office Contact Center before 10.1.1 allows remote attackers to cause a denial of service (heap corruption and crash) or execute arbitrary code via a long string to the open method.
- Record
CVE-2017-12969- Updated
- 2026-11-02
EUVDEUVD-2017-4490 No score
Buffer overflow in the ViewerCtrlLib.ViewerCtrl ActiveX control in Avaya IP Office Contact Center before 10.1.1 allows remote attackers to cause a denial of service (heap corruption and crash) or execute arbitrary code via a long string to the open method.
- Record
EUVD-2017-4490- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-477x-7h4j-4r68
Buffer overflow in the ViewerCtrlLib.ViewerCtrl ActiveX control in Avaya IP Office Contact Center...
Buffer overflow in the ViewerCtrlLib.ViewerCtrl ActiveX control in Avaya IP Office Contact Center before 10.1.1 allows remote attackers to cause a denial of service (heap corruption and crash) or execute arbitrary code via a long string to the open method.
- Record
GHSA-477x-7h4j-4r68- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-119
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Avaya IP Office (IPO) < 10.1 - ActiveX Buffer Overflow | 2017-11-05 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2017-12969 is a high vulnerability (CVSS 8.8) in Avaya Ip Office Contact Center, published November 9, 2017. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 10.1%, the 95th percentile. No source names a fixed version.
References
hyp3rlinx.altervista.org/advisories/AVAYA-OFFICE-IP-%28IPO%29-v9.1.0-10.1-VIEWERCTRL-ACTIVE-X-BUFFER-OVERFLOW-0DAY.txt
downloads.avaya.com/css/P8/documents/101044091
packetstormsecurity.com/files/144882/Avaya-IP-Office-IPO-10.1-Active-X-Buffer-Overflow.html
securityfocus.com/bid/101667
exploit-db.com/exploits/43120
seclists.org/fulldisclosure/2017/Nov/17
nvd.nist.gov/vuln/detail/CVE-2017-12969
github.com/advisories/GHSA-477x-7h4j-4r68