How severe is CVE-2007-4971?

CVE-2007-4971 has a CVSS 2.0 base score of 4.4, rated medium severity.

Is CVE-2007-4971 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-4971?

CVE-2007-4971 affects Isecsoft Prosecurity. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2007-4971?

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

When was CVE-2007-4971 published?

CVE-2007-4971 was published on 2007-09-19 and last updated on 2026-06-16.

CVE-2007-4971

CVE-2007-4971 is a medium-severity vulnerability in Isecsoft Prosecurity with a CVSS 2.0 base score of 4.4. 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 4.4)
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Isecsoft Prosecurity
Published: 2007-09-19
Last modified: 2026-06-16

Description

ProSecurity 1.40 Beta 2 does not properly validate certain parameters to System Service Descriptor Table (SSDT) function handlers, which allows local users to cause a denial of service (crash) and possibly gain privileges via kernel SSDT hooks for Windows Native API functions including (1) NtCreateKey, (2) NtDeleteFile, (3) NtLoadDriver, (4) NtOpenSection, and (5) NtSetSystemTime.

Frequently asked questions

What is CVE-2007-4971?: ProSecurity 1.40 Beta 2 does not properly validate certain parameters to System Service Descriptor Table (SSDT) function handlers, which allows local users to cause a denial of service (crash) and possibly gain privileges via kernel SSDT hooks for Windows Native API functions including (1) NtCreateKey, (2) NtDeleteFile, (3) NtLoadDriver, (4) NtOpenSection, and (5) NtSetSystemTime.
How severe is CVE-2007-4971?: CVE-2007-4971 has a CVSS 2.0 base score of 4.4, rated medium severity.
Is CVE-2007-4971 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-4971?: CVE-2007-4971 affects Isecsoft Prosecurity. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-4971?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-4971 published?: CVE-2007-4971 was published on 2007-09-19 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:isecsoft:prosecurity:1.40_beta_2:*:*:*:*:*:*:*

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