9.3

CVE-2008-5535: norman norman_antivirus_\&_antispyware Improper Input Validation

CVSS: 9.3v2.0HighModified
Published 12-12-2008Last modified 07-08-2024
Open JSON

Vulnerability summary

CVE-2008-5535 is a high (CVSS 9.3) Improper Input Validation vulnerability in norman norman_antivirus_\&_antispyware. EPSS estimates a 2.95% chance of exploitation in the next 30 days, higher than 86.9% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.3/10
010
High · v2.0 (NVD)
EPSS score
2.95%
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. 12-12-2008
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

Description

Norman Antivirus 5.80.02, when Internet Explorer 6 or 7 is used, allows remote attackers to bypass detection of malware in an HTML document by placing an MZ header (aka "EXE info") at the beginning, and modifying the filename to have (1) no extension, (2) a .txt extension, or (3) a .jpg extension, as demonstrated by a document containing a CVE-2006-5745 exploit.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

2.95%

Chance of exploitation in the next 30 days

Percentile

87%

Versus all other CVEs

30-day change

0.00 pp

From 2.95% on 18-09-2026

18-09-202618-10-2026
EPSS score
2.95%

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

Norman1 product

1 vendor · 1 product

References

4 links