Is CVE-2013-1451 in the CISA KEV catalog?

No. CVE-2013-1451 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2013-1451?

CVE-2013-1451 has a CVSS v2 base score of 4.0 (MEDIUM).

What is the EPSS score for CVE-2013-1451?

CVE-2013-1451 has an EPSS score of 20.38% (97th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2013-1451?

No published fix for CVE-2013-1451 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2013-1451

MEDIUMEPSS 97th pctl

4.0

CVSS v2

NVD

Description

Microsoft Internet Explorer 8 and 9, when the Proxy Settings configuration has the same Proxy address and Port values in the HTTP and Secure rows, does not ensure that the SSL lock icon is consistent with the Address bar, which makes it easier for remote attackers to spoof web sites via a crafted HTML document that triggers many HTTPS requests to an arbitrary host, followed by an HTTPS request to a trusted host and then an HTTP request to an untrusted host, a related issue to CVE-2013-1450.

CWE-16

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

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CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

20.38%probability of exploitation in 30 days

97thpercentile

Very high risk: more likely to be exploited than 97% of all known CVEs.

References

Exploit3

Related Vulnerabilities

Other CWE-16 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2009-2335	Medium	5.0	85%	-	Fix
CVE-2004-2687	High	9.3	81%	-	Fix
CVE-2006-3677	High	7.5	78%	-	Fix
CVE-2011-4404	Medium	5.0	60%	-	-
CVE-2006-0848	Medium	5.1	58%	-	-
CVE-2007-3898	Medium	6.4	52%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.