CVE-2011-5096
CVE-2011-5096 is a critical-severity vulnerability in Avaya Aura Application Server 5300 with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.
Key facts
- Severity: Critical (CVSS 2.0 base score 10.0)
- EPSS exploit prediction: 4% (89th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Avaya Aura Application Server 5300
- Published:
- Last modified:
Description
Stack-based buffer overflow in cstore.exe in the Media Application Server (MAS) in Avaya Aura Application Server 5300 (formerly Nortel Media Application Server) 1.x before 1.0.2 and 2.0 before Patch Bundle 10 allows remote attackers to execute arbitrary code via a crafted cs_anams parameter in a CONTENT_STORE_ADMIN_REQ packet.
Frequently asked questions
- What is CVE-2011-5096?
- Stack-based buffer overflow in cstore.exe in the Media Application Server (MAS) in Avaya Aura Application Server 5300 (formerly Nortel Media Application Server) 1.x before 1.0.2 and 2.0 before Patch Bundle 10 allows remote attackers to execute arbitrary code via a crafted cs_anams parameter in a CONTENT_STORE_ADMIN_REQ packet.
- How severe is CVE-2011-5096?
- CVE-2011-5096 has a CVSS 2.0 base score of 10.0, rated critical severity.
- Is CVE-2011-5096 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2011-5096?
- CVE-2011-5096 primarily affects Avaya Aura Application Server 5300. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2011-5096?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2011-5096 published?
- CVE-2011-5096 was published on 2012-07-03 and last updated on 2026-06-16.
References
- http://zerodayinitiative.com/advisories/ZDI-11-260/
- https://downloads.avaya.com/css/P8/documents/100146108
Affected products (2)
- cpe:2.3:a:avaya:aura_application_server_5300:1.0:*:*:*:*:*:*:*
- cpe:2.3:a:avaya:aura_application_server_5300:2.0:*:*:*:*:*:*:*
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