How severe is CVE-2017-12969?

CVE-2017-12969 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-12969 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-12969?

CVE-2017-12969 primarily affects Avaya Ip Office Contact Center. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-12969?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2017-12969 published?

CVE-2017-12969 was published on 2017-11-10 and last updated on 2026-06-17.

CVE-2017-12969

CVE-2017-12969 is a high-severity vulnerability in Avaya Ip Office Contact Center with a CVSS 3.x base score of 8.8. Its EPSS exploit-prediction score of 10% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 10% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Avaya Ip Office Contact Center
Published: 2017-11-10
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2017-12969?: 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.
How severe is CVE-2017-12969?: CVE-2017-12969 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-12969 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-12969?: CVE-2017-12969 primarily affects Avaya Ip Office Contact Center. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-12969?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-12969 published?: CVE-2017-12969 was published on 2017-11-10 and last updated on 2026-06-17.

References

Affected products (10)

cpe:2.3:a:avaya:ip_office_contact_center:9.1:sp11:*:*:*:*:*:*
cpe:2.3:a:avaya:ip_office_contact_center:9.1.0:*:*:*:*:*:*:*
cpe:2.3:a:avaya:ip_office_contact_center:9.1.0.2209.1540:*:*:*:*:*:*:*
cpe:2.3:a:avaya:ip_office_contact_center:9.1.6:*:*:*:*:*:*:*
cpe:2.3:a:avaya:ip_office_contact_center:9.1.7:*:*:*:*:*:*:*
cpe:2.3:a:avaya:ip_office_contact_center:9.1.8:*:*:*:*:*:*:*
cpe:2.3:a:avaya:ip_office_contact_center:9.1.9:*:*:*:*:*:*:*
cpe:2.3:a:avaya:ip_office_contact_center:10.0:*:*:*:*:*:*:*
cpe:2.3:a:avaya:ip_office_contact_center:10.0.0.3-8600.1705:*:*:*:*:*:*:*
cpe:2.3:a:avaya:ip_office_contact_center:10.1:*:*:*:*:*:*:*

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