Is CVE-2004-0473 in the CISA KEV catalog?

No. CVE-2004-0473 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2004-0473?

CVE-2004-0473 has a CVSS v2 base score of 2.6 (LOW).

What is the EPSS score for CVE-2004-0473?

CVE-2004-0473 has an EPSS score of 2.45% (83th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2004-0473?

Upgrade Opera GX Stable to 7.50 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2004-0473

LOWEPSS 83th pctl

2.6

CVSS v2

NVD

Description

Argument injection vulnerability in Opera before 7.50 does not properly filter "-" characters that begin a hostname in a telnet URI, which allows remote attackers to insert options to the resulting command line and overwrite arbitrary files via (1) the "-f" option on Windows XP or (2) the "-n" option on Linux.

CWE-88

How to fix

Remediation Available

Opera GX StableWindows application

Affected:7.50Fixed in:7.50Opera Software

Opera StableWindows application

Affected:7.50Fixed in:7.50Opera Software

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

2.45%probability of exploitation in 30 days

83rdpercentile

Elevated risk: more likely to be exploited than 83% of all known CVEs.

References

Third-Party Advisory4

Other references2

Related Vulnerabilities

Other CWE-88 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2016-10033	Critical	9.8	100%	KEV	Fix
CVE-2022-36804	High	8.8	99%	KEV	Fix
CVE-2026-24061	Critical	9.8	99%	KEV	Fix
CVE-2007-0882	High	10.0	98%	-	-
CVE-2018-17456	Critical	9.8	97%	-	Fix
CVE-2018-19518	High	7.5	95%	-	Fix

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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 2026-04-16.