How severe is CVE-2010-0643?

CVE-2010-0643 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2010-0643 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-0643?

CVE-2010-0643 primarily affects Google Chrome. In total, 47 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-0643?

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

When was CVE-2010-0643 published?

CVE-2010-0643 was published on 2010-02-18 and last updated on 2026-06-16.

CVE-2010-0643

CVE-2010-0643 is a medium-severity vulnerability in Google Chrome with a CVSS 2.0 base score of 4.3. 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-200.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Google Chrome
Published: 2010-02-18
Last modified: 2026-06-16

Description

Google Chrome before 4.0.249.89 attempts to make direct connections to web sites when all configured proxy servers are unavailable, which allows remote HTTP servers to obtain potentially sensitive information about the identity of a client user via standard HTTP logging, as demonstrated by a proxy server that was configured for the purpose of anonymity.

Frequently asked questions

What is CVE-2010-0643?: Google Chrome before 4.0.249.89 attempts to make direct connections to web sites when all configured proxy servers are unavailable, which allows remote HTTP servers to obtain potentially sensitive information about the identity of a client user via standard HTTP logging, as demonstrated by a proxy server that was configured for the purpose of anonymity.
How severe is CVE-2010-0643?: CVE-2010-0643 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2010-0643 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-0643?: CVE-2010-0643 primarily affects Google Chrome. In total, 47 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-0643?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2010-0643 published?: CVE-2010-0643 was published on 2010-02-18 and last updated on 2026-06-16.

References

Affected products (47)

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:0.2.149.27:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:0.2.149.29:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:0.2.149.30:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:0.2.152.1:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:0.2.153.1:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:0.3.154.0:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:0.3.154.3:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:0.4.154.18:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:0.4.154.22:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:0.4.154.31:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:0.4.154.33:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:1.0.154.36:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:1.0.154.39:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:1.0.154.42:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:1.0.154.43:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:1.0.154.46:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:1.0.154.48:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:1.0.154.52:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:1.0.154.53:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:1.0.154.59:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:1.0.154.65:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:2.0.156.1:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:2.0.157.0:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:2.0.157.2:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:2.0.158.0:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:2.0.159.0:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:2.0.169.0:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:2.0.169.1:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:2.0.170.0:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:2.0.172:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:2.0.172.2:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:2.0.172.8:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:2.0.172.27:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:2.0.172.28:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:2.0.172.30:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:2.0.172.31:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:2.0.172.33:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:2.0.172.37:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:2.0.172.38:*:*:*:*:*:*:*

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