How severe is CVE-2008-1625?

CVE-2008-1625 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2008-1625 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-1625?

CVE-2008-1625 primarily affects Avast Avast Antivirus Home. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-1625?

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

When was CVE-2008-1625 published?

CVE-2008-1625 was published on 2008-04-02 and last updated on 2026-06-16.

CVE-2008-1625

CVE-2008-1625 is a medium-severity vulnerability in Avast Avast Antivirus Home with a CVSS 2.0 base score of 6.8. 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-264.

Key facts

Severity: Medium (CVSS 2.0 base score 6.8)
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Avast Avast Antivirus Home
Published: 2008-04-02
Last modified: 2026-06-16

Description

aavmker4.sys in avast! Home and Professional 4.7 for Windows does not properly validate input to IOCTL 0xb2d60030, which allows local users to gain privileges via certain IOCTL requests.

Frequently asked questions

What is CVE-2008-1625?: aavmker4.sys in avast! Home and Professional 4.7 for Windows does not properly validate input to IOCTL 0xb2d60030, which allows local users to gain privileges via certain IOCTL requests.
How severe is CVE-2008-1625?: CVE-2008-1625 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2008-1625 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-1625?: CVE-2008-1625 primarily affects Avast Avast Antivirus Home. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-1625?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2008-1625 published?: CVE-2008-1625 was published on 2008-04-02 and last updated on 2026-06-16.

References

Affected products (9)

cpe:2.3:a:avast:avast_antivirus_home:4.7.827:*:windows:*:*:*:*:*
cpe:2.3:a:avast:avast_antivirus_home:4.7.844:*:windows:*:*:*:*:*
cpe:2.3:a:avast:avast_antivirus_home:4.7.869:*:windows:*:*:*:*:*
cpe:2.3:a:avast:avast_antivirus_home:4.7.1043:*:windows:*:*:*:*:*
cpe:2.3:a:avast:avast_antivirus_home:4.7.1098:*:windows:*:*:*:*:*
cpe:2.3:a:avast:avast_antivirus_professional:4.7.827:*:windows:*:*:*:*:*
cpe:2.3:a:avast:avast_antivirus_professional:4.7.844:*:windows:*:*:*:*:*
cpe:2.3:a:avast:avast_antivirus_professional:4.7.1043:*:windows:*:*:*:*:*
cpe:2.3:a:avast:avast_antivirus_professional:4.7.1098:*:windows:*:*:*:*:*

More vulnerabilities in Avast Avast Antivirus Home

CVE-2007-1673 — High (CVSS 7.8): unzoo.c, as used in multiple products including AMaViS 2.4.1 and earlier, allows remote attackers to cause a denial of…
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CVE-2009-4049 — High (CVSS 7.2): Heap-based buffer overflow in aswRdr.sys (aka the TDI RDR driver) in avast! Home and Professional 4.8.1356.0 allows…
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CVE-2009-3523 — Medium (CVSS 6.9): aavmKer4.sys in avast! Home and Professional for Windows before 4.8.1356 does not properly validate input to IOCTLs (1)…

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