How severe is CVE-2009-3045?

CVE-2009-3045 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2009-3045 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-2009-3045?

CVE-2009-3045 primarily affects Opera Opera Browser. In total, 25 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-3045?

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

When was CVE-2009-3045 published?

CVE-2009-3045 was published on 2009-09-02 and last updated on 2026-06-16.

CVE-2009-3045

CVE-2009-3045 is a medium-severity vulnerability in Opera Opera Browser with a CVSS 2.0 base score of 5.0. 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: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-310
Affected product: Opera Opera Browser
Published: 2009-09-02
Last modified: 2026-06-16

Description

Opera before 10.00 trusts root X.509 certificates signed with the MD2 algorithm, which makes it easier for man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted server certificate.

Frequently asked questions

What is CVE-2009-3045?: Opera before 10.00 trusts root X.509 certificates signed with the MD2 algorithm, which makes it easier for man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted server certificate.
How severe is CVE-2009-3045?: CVE-2009-3045 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2009-3045 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-2009-3045?: CVE-2009-3045 primarily affects Opera Opera Browser. In total, 25 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-3045?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-3045 published?: CVE-2009-3045 was published on 2009-09-02 and last updated on 2026-06-16.

References

Affected products (25)

cpe:2.3:a:opera:opera_browser:*:beta_3:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:7.0:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:7.23:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:7.53:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:7.54:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:7.60:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:8.0:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:8.01:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:8.02:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:8.50:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:8.51:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:8.52:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:8.53:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:8.54:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:9.0:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:9.01:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:9.02:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:9.10:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:9.12:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:9.20:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:9.21:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:9.22:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:9.51:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:9.52:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:9.64:*:*:*:*:*:*:*

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