How severe is CVE-2012-2268?

CVE-2012-2268 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2012-2268 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-2268?

CVE-2012-2268 primarily affects Realnetworks Helix Server. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-2268?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2012-2268 published?

CVE-2012-2268 was published on 2012-04-17 and last updated on 2026-06-16.

CVE-2012-2268

CVE-2012-2268 is a medium-severity vulnerability in Realnetworks Helix Server with a CVSS 2.0 base score of 5.0. 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-20.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Realnetworks Helix Server
Published: 2012-04-17
Last modified: 2026-06-16

Description

master.exe in the SNMP Master Agent in RealNetworks Helix Server and Helix Mobile Server 14.x before 14.3.x allows remote attackers to cause a denial of service (unhandled exception and daemon crash) via a crafted Open-PDU request that triggers incorrect DisplayString processing, a different vulnerability than CVE-2012-1923.

Frequently asked questions

What is CVE-2012-2268?: master.exe in the SNMP Master Agent in RealNetworks Helix Server and Helix Mobile Server 14.x before 14.3.x allows remote attackers to cause a denial of service (unhandled exception and daemon crash) via a crafted Open-PDU request that triggers incorrect DisplayString processing, a different vulnerability than CVE-2012-1923.
How severe is CVE-2012-2268?: CVE-2012-2268 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2012-2268 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-2268?: CVE-2012-2268 primarily affects Realnetworks Helix Server. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-2268?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-2268 published?: CVE-2012-2268 was published on 2012-04-17 and last updated on 2026-06-16.

References

Affected products (6)

cpe:2.3:a:realnetworks:helix_server:14.0.0:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:helix_server:14.0.1:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:helix_server:14.2:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:helix_server:14.2.0.212:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:helix_mobile_server:14.0.0:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:helix_mobile_server:14.0.1:*:*:*:*:*:*:*

More vulnerabilities in Realnetworks Helix Server

CVE-2010-4235 — Critical (CVSS 10.0): Format string vulnerability in RealNetworks Helix Server 12.x, 13.x, and 14.x before 14.2, and Helix Mobile Server…
CVE-2010-1319 — Critical (CVSS 10.0): Integer overflow in the AgentX::receive_agentx function in AgentX++ 1.4.16, as used in RealNetworks Helix Server and…
CVE-2010-1318 — Critical (CVSS 10.0): Stack-based buffer overflow in the AgentX::receive_agentx function in AgentX++ 1.4.16, as used in RealNetworks Helix…
CVE-2008-5911 — Critical (CVSS 10.0): Multiple buffer overflows in RealNetworks Helix Server and Helix Mobile Server 11.x before 11.1.8 and 12.x before…
CVE-2006-6026 — Critical (CVSS 10.0): Heap-based buffer overflow in Real Networks Helix Server and Helix Mobile Server before 11.1.3, and Helix DNA Server…
CVE-2010-4596 — Critical (CVSS 9.3): Stack-based buffer overflow in RealNetworks Helix Server 12.x, 13.x, and 14.x before 14.2, and Helix Mobile Server…

All CVEs affecting Realnetworks Helix Server →

Other CWE-20 (Improper Input Validation) vulnerabilities

CVE-2026-48316 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48281 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48277 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48055 — Critical (CVSS 10.0): Streambert is a cross-platform Electron Desktop App to stream and download any video media. In versions 2.4.0 and…
CVE-2026-34910 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS…
CVE-2026-33587 — Critical (CVSS 10.0): Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and…

Browse all CWE-20 (Improper Input Validation) vulnerabilities →