How severe is CVE-2006-1892?

CVE-2006-1892 has a CVSS 2.0 base score of 4.9, rated medium severity.

Is CVE-2006-1892 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-1892?

CVE-2006-1892 affects Alwil Avast Antivirus. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2006-1892?

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

When was CVE-2006-1892 published?

CVE-2006-1892 was published on 2006-04-20 and last updated on 2026-06-16.

CVE-2006-1892

CVE-2006-1892 is a medium-severity vulnerability in Alwil Avast Antivirus with a CVSS 2.0 base score of 4.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 4.9)
EPSS exploit prediction: 0% (39th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Alwil Avast Antivirus
Published: 2006-04-20
Last modified: 2026-06-16

Description

avast! 4 Linux Home Edition 1.0.5 allows local users to modify permissions of arbitrary files via a symlink attack on the /tmp/_avast4_ temporary directory.

Frequently asked questions

What is CVE-2006-1892?: avast! 4 Linux Home Edition 1.0.5 allows local users to modify permissions of arbitrary files via a symlink attack on the /tmp/_avast4_ temporary directory.
How severe is CVE-2006-1892?: CVE-2006-1892 has a CVSS 2.0 base score of 4.9, rated medium severity.
Is CVE-2006-1892 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-1892?: CVE-2006-1892 affects Alwil Avast Antivirus. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2006-1892?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-1892 published?: CVE-2006-1892 was published on 2006-04-20 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:alwil:avast_antivirus:1.0.5:*:home:*:*:*:*:*

More vulnerabilities in Alwil Avast Antivirus

CVE-2006-2869 — Critical (CVSS 10.0): Unspecified vulnerability in the CHM unpacker in avast! before 4.7.844 has unknown impact and remote attack vectors.
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CVE-2005-1719 — High (CVSS 7.5): Unknown vulnerability in ALWIL avast! antivirus 4 (4.6.6230) and earlier, when running on Windows NT 4.0, does not…
CVE-2006-1355 — High (CVSS 7.2): avast! Antivirus 4.6.763 and earlier sets "BUILTIN\Everyone" permissions to critical system files in the installation…
CVE-2005-1770 — High (CVSS 7.2): Buffer overflow in the Aavmker4 device driver in Avast! Antivirus 4.6 and possibly other versions allows local users to…

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