How severe is CVE-2003-0461?

CVE-2003-0461 has a CVSS 2.0 base score of 2.1, rated low severity.

Is CVE-2003-0461 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2003-0461?

CVE-2003-0461 primarily affects Redhat Linux. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2003-0461?

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

When was CVE-2003-0461 published?

CVE-2003-0461 was published on 2003-08-27 and last updated on 2026-06-16.

CVE-2003-0461

CVE-2003-0461 is a low-severity vulnerability in Redhat Linux with a CVSS 2.0 base score of 2.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Low (CVSS 2.0 base score 2.1)
EPSS exploit prediction: 0% (33rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Redhat Linux
Published: 2003-08-27
Last modified: 2026-06-16

Description

/proc/tty/driver/serial in Linux 2.4.x reveals the exact number of characters used in serial links, which could allow local users to obtain potentially sensitive information such as the length of passwords.

Frequently asked questions

What is CVE-2003-0461?: /proc/tty/driver/serial in Linux 2.4.x reveals the exact number of characters used in serial links, which could allow local users to obtain potentially sensitive information such as the length of passwords.
How severe is CVE-2003-0461?: CVE-2003-0461 has a CVSS 2.0 base score of 2.1, rated low severity.
Is CVE-2003-0461 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-0461?: CVE-2003-0461 primarily affects Redhat Linux. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2003-0461?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2003-0461 published?: CVE-2003-0461 was published on 2003-08-27 and last updated on 2026-06-16.

References

Affected products (5)

cpe:2.3:o:redhat:linux:7.1:*:*:*:*:*:*:*
cpe:2.3:o:redhat:linux:7.2:*:*:*:*:*:*:*
cpe:2.3:o:redhat:linux:7.3:*:*:*:*:*:*:*
cpe:2.3:o:redhat:linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:linux:9.0:*:*:*:*:*:*:*

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