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Fencer Vulns
high 8.8

CVE-2017-12969 in the critical feed json

Buffer overflow in the ViewerCtrlLib.ViewerCtrl ActiveX control in Avaya IP Office Contact Center before 10.1.1 allows remote attackers to…

published 2017-11-09 8 y ago modified 2026-06-17 4 mo ago also EUVD-2017-4490

cvss
8.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
10.1%
EPSS 10.1% chance of exploitation in 30 days, percentile 95%
public exploits
1
Exploit-DB

Summary

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.

Timeline

  1. First public exploit (EDB-43120)
  2. Published

Exploit prediction

10.08% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-43120 Avaya IP Office (IPO) < 10.1 - ActiveX Buffer Overflow dos, 2017-11-05

CVSS scores

assigned by version score vector
NVD 3.0 8.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.