How severe is CVE-2005-1139?

CVE-2005-1139 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2005-1139 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2005-1139?

CVE-2005-1139 affects Opera Opera Browser. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2005-1139?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2005-1139 published?

CVE-2005-1139 was published on 2005-04-14 and last updated on 2026-06-16.

CVE-2005-1139

CVE-2005-1139 is a high-severity vulnerability in Opera Opera Browser with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Opera Opera Browser
Published: 2005-04-14
Last modified: 2026-06-16

Description

Opera 8 Beta 3, when using first-generation vetted digital certificates, displays the Organizational information of an SSL certificate, which is easily spoofed and can facilitate phishing attacks.

Frequently asked questions

What is CVE-2005-1139?: Opera 8 Beta 3, when using first-generation vetted digital certificates, displays the Organizational information of an SSL certificate, which is easily spoofed and can facilitate phishing attacks.
How severe is CVE-2005-1139?: CVE-2005-1139 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2005-1139 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-1139?: CVE-2005-1139 affects Opera Opera Browser. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2005-1139?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2005-1139 published?: CVE-2005-1139 was published on 2005-04-14 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:opera:opera_browser:8.0:beta3:*:*:*:*:*:*

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