How severe is CVE-2009-0850?

CVE-2009-0850 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2009-0850 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 30% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-0850?

CVE-2009-0850 affects Bitdefender Internet Security. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2009-0850?

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

When was CVE-2009-0850 published?

CVE-2009-0850 was published on 2009-03-09 and last updated on 2026-06-16.

CVE-2009-0850

CVE-2009-0850 is a medium-severity vulnerability in Bitdefender Internet Security with a CVSS 2.0 base score of 4.3. Its EPSS exploit-prediction score of 30% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 30% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Bitdefender Internet Security
Published: 2009-03-09
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in BitDefender Internet Security 2009 allows user-assisted remote attackers to inject arbitrary web script or HTML via the filename of a virus-infected file, as demonstrated by a filename inside a (1) rar or (2) zip archive file.

Frequently asked questions

What is CVE-2009-0850?: Cross-site scripting (XSS) vulnerability in BitDefender Internet Security 2009 allows user-assisted remote attackers to inject arbitrary web script or HTML via the filename of a virus-infected file, as demonstrated by a filename inside a (1) rar or (2) zip archive file.
How severe is CVE-2009-0850?: CVE-2009-0850 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2009-0850 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 30% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-0850?: CVE-2009-0850 affects Bitdefender Internet Security. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2009-0850?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-0850 published?: CVE-2009-0850 was published on 2009-03-09 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:bitdefender:internet_security:2009:*:*:*:*:*:*:*

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