Is CVE-2011-2641 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2011-2641, but active exploitation has not been confirmed.

Can CVE-2011-2641 be exploited remotely?

Yes. CVE-2011-2641 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2011-2641?

CVE-2011-2641 has a CVSS score of 5.0 (MEDIUM).

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MEDIUMPOC

CVE-2011-2641

CWE-399Published: July 1, 2011· Updated: Jun 16, 2026

5.0

CVSS v3.1

Official Description

Opera 11.11 allows remote attackers to cause a denial of service (application crash) by setting the FACE attribute of a FONT element within an IFRAME element after changing the SRC attribute of this IFRAME element to an about:blank value.

NVD Source

Technical Analysis

CVE-2011-2641 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A proof-of-concept (PoC) exploit exists for CVE-2011-2641. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.