7.2

CVE-2007-5047: symantec norton_internet_security Improper Input Validation

CVSS: 7.2v2.0HighModified
Published 24-09-2007Last modified 07-08-2024
Open JSON

Vulnerability summary

CVE-2007-5047 is a high (CVSS 7.2) Improper Input Validation vulnerability in symantec norton_internet_security. EPSS estimates a 0.33% chance of exploitation in the next 30 days, higher than 24.5% of scored vulnerabilities.

Overall risk
29/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.2/10
010
High · v2.0 (NVD)
EPSS score
0.33%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 24-09-2007
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

Description

Norton Internet Security 2008 15.0.0.60 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 the NtOpenSection kernel SSDT hook. NOTE: the NtCreateMutant and NtOpenEvent function hooks are already covered by CVE-2007-1793.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

0.33%

Chance of exploitation in the next 30 days

Percentile

25%

Versus all other CVEs

30-day change

0.00 pp

From 0.33% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.33%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Symantec1 product

1 vendor · 1 product

References

5 links