CVE-2005-4210

Opera Browser vulnerability

CVSS

5.0

EPSS

3.3%

EPSS pct

87th

Exploited

No known

Opera before 8.51, when running on Windows with Input Method Editor (IME) installed, allows remote attackers to cause a denial of service (persistent application crash) by bookmarking a site with a long title.

Affected vendor

Opera

Affected product

Opera Browser

CVSS vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Published

2005-12-13

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to partial impact to availability.

Its EPSS score of 3.3% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 87% of all scored CVEs.

Check your external exposure to CVE-2005-4210

Confirm whether Opera Opera Browser is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2005-4210.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2005-4210

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2005-4210 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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