How severe is CVE-2004-0473?

CVE-2004-0473 has a CVSS 2.0 base score of 2.6, rated low severity.

Is CVE-2004-0473 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2004-0473?

CVE-2004-0473 affects Opera Opera Browser. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2004-0473?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2004-0473 published?

CVE-2004-0473 was published on 2004-07-07 and last updated on 2026-06-16.

CVE-2004-0473

CVE-2004-0473 is a low-severity vulnerability in Opera Opera Browser with a CVSS 2.0 base score of 2.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-88.

Key facts

Severity: Low (CVSS 2.0 base score 2.6)
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-88
Affected product: Opera Opera Browser
Published: 2004-07-07
Last modified: 2026-06-16

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.

Frequently asked questions

What is CVE-2004-0473?: 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.
How severe is CVE-2004-0473?: CVE-2004-0473 has a CVSS 2.0 base score of 2.6, rated low severity.
Is CVE-2004-0473 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-0473?: CVE-2004-0473 affects Opera Opera Browser. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2004-0473?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2004-0473 published?: CVE-2004-0473 was published on 2004-07-07 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:opera:opera_browser:*:*:*:*:*:*:*:*

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