How severe is CVE-2010-4584?

CVE-2010-4584 has a CVSS 2.0 base score of 2.6, rated low severity.

Is CVE-2010-4584 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-4584?

CVE-2010-4584 primarily affects Opera Opera Browser. In total, 112 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-4584?

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

When was CVE-2010-4584 published?

CVE-2010-4584 was published on 2010-12-22 and last updated on 2026-06-16.

CVE-2010-4584

CVE-2010-4584 is a low-severity vulnerability in Opera Opera Browser with a CVSS 2.0 base score of 2.6. 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-310.

Key facts

Severity: Low (CVSS 2.0 base score 2.6)
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-310
Affected product: Opera Opera Browser
Published: 2010-12-22
Last modified: 2026-06-16

Description

Opera before 11.00, when Opera Turbo is used, does not properly present information about problematic X.509 certificates on https web sites, which might make it easier for remote attackers to spoof trusted content via a crafted web site.

Frequently asked questions

What is CVE-2010-4584?: Opera before 11.00, when Opera Turbo is used, does not properly present information about problematic X.509 certificates on https web sites, which might make it easier for remote attackers to spoof trusted content via a crafted web site.
How severe is CVE-2010-4584?: CVE-2010-4584 has a CVSS 2.0 base score of 2.6, rated low severity.
Is CVE-2010-4584 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-4584?: CVE-2010-4584 primarily affects Opera Opera Browser. In total, 112 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-4584?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2010-4584 published?: CVE-2010-4584 was published on 2010-12-22 and last updated on 2026-06-16.

References

Affected products (112)

cpe:2.3:a:opera:opera_browser:*:beta:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:5.0:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:5.0:beta2:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:5.0:beta3:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:5.0:beta4:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:5.0:beta5:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:5.0:beta6:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:5.0:beta7:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:5.0:beta8:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:5.02:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:5.10:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:5.11:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:5.12:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:6.0:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:6.0:beta1:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:6.0:beta2:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:6.0:tp1:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:6.0:tp2:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:6.0:tp3:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:6.1:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:6.01:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:6.1:beta1:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:6.02:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:6.03:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:6.04:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:6.05:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:6.06:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:6.11:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:6.12:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:7.0:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:7.0:beta1:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:7.0:beta1_v2:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:7.0:beta2:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:7.01:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:7.02:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:7.03:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:7.10:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:7.10:beta1:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:7.11:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:7.11:beta2:*:*:*:*:*:*

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