How severe is CVE-2007-0321?

CVE-2007-0321 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2007-0321 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-0321?

CVE-2007-0321 affects Macrovision Flexnet Connect. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2007-0321?

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-2007-0321 published?

CVE-2007-0321 was published on 2007-02-23 and last updated on 2026-06-16.

CVE-2007-0321

CVE-2007-0321 is a critical-severity vulnerability in Macrovision Flexnet Connect with a CVSS 2.0 base score of 9.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 7% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Macrovision Flexnet Connect
Published: 2007-02-23
Last modified: 2026-06-16

Description

Buffer overflow in the Update Service Agent ActiveX Control in isusweb.dll for Macrovision FLEXnet Connect (formerly InstallShield Update Service) allows remote attackers to execute arbitrary code via the Download method.

Frequently asked questions

What is CVE-2007-0321?: Buffer overflow in the Update Service Agent ActiveX Control in isusweb.dll for Macrovision FLEXnet Connect (formerly InstallShield Update Service) allows remote attackers to execute arbitrary code via the Download method.
How severe is CVE-2007-0321?: CVE-2007-0321 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2007-0321 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-0321?: CVE-2007-0321 affects Macrovision Flexnet Connect. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-0321?: 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-2007-0321 published?: CVE-2007-0321 was published on 2007-02-23 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:macrovision:flexnet_connect:*:*:*:*:*:*:*:*

More vulnerabilities in Macrovision Flexnet Connect

CVE-2007-2419 — Critical (CVSS 10.0): Multiple buffer overflows in an ActiveX control (boisweb.dll) in Macrovision FLEXnet Connect 6.0 and Update Service 3.x…
CVE-2008-2470 — Critical (CVSS 9.3): The InstallShield Update Service Agent ActiveX control in isusweb.dll allows remote attackers to cause a denial of…
CVE-2007-5660 — Critical (CVSS 9.3): Unspecified vulnerability in the Update Service ActiveX control in isusweb.dll before 6.0.100.65101 in MacroVision…
CVE-2007-0328 — Critical (CVSS 9.3): The DWUpdateService ActiveX control in the agent (agent.exe) in Macrovision FLEXnet Connect 6.0 and Update Service 3.x…

All CVEs affecting Macrovision Flexnet Connect →