CVE-2017-11309
Buffer overflow in the SoftConsole client in Avaya IP Office before 10.1.1 allows remote servers...
Buffer overflow in the SoftConsole client in Avaya IP Office before 10.1.1 allows remote servers to execute arbitrary code via a long response.
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
9.6
Buffer overflow in the SoftConsole client in Avaya IP Office before 10.1.1 allows remote servers to execute arbitrary code via a long response.
- Record
CVE-2017-11309- CVSS 3.0
- 9.6 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/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 SoftConsole client in Avaya IP Office before 10.1.1 allows remote servers to execute arbitrary code via a long response.
- Record
CVE-2017-11309- Updated
- 2026-11-02
EUVDEUVD-2017-2943 No score
Buffer overflow in the SoftConsole client in Avaya IP Office before 10.1.1 allows remote servers to execute arbitrary code via a long response.
- Record
EUVD-2017-2943- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-65xv-7496-r6qf
9.6
Buffer overflow in the SoftConsole client in Avaya IP Office before 10.1.1 allows remote servers...
Buffer overflow in the SoftConsole client in Avaya IP Office before 10.1.1 allows remote servers to execute arbitrary code via a long response.
- Record
GHSA-65xv-7496-r6qf- CVSS 3.0
- 9.6 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/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 - 'SoftConsole' Remote Buffer Overflow (SEH) | 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-2017-11309 is a critical vulnerability (CVSS 9.6) in Avaya Ip Office, published November 9, 2017. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 9.40%, the 95th percentile. No source names a fixed version.
References
securityfocus.com/bid/101674
packetstormsecurity.com/files/144883/Avaya-IP-Office-IPO-10.1-Soft-Console-Remote-Buffer-Overflow.html
exploit-db.com/exploits/43121
downloads.avaya.com/css/P8/documents/101044086
hyp3rlinx.altervista.org/advisories/AVAYA-OFFICE-IP-%28IPO%29-v9.1.0-10.1-SOFT-CONSOLE-REMOTE-BUFFER-OVERFLOW-0DAY.txt
nvd.nist.gov/vuln/detail/CVE-2017-11309
hyp3rlinx.altervista.org/advisories/AVAYA-OFFICE-IP-(IPO)-v9.1.0-10.1-SOFT-CONSOLE-REMOTE-BUFFER-OVERFLOW-0DAY.txt
github.com/advisories/GHSA-65xv-7496-r6qf