How severe is CVE-1999-1341?

CVE-1999-1341 has a CVSS 2.0 base score of 4.6, rated medium severity.

Is CVE-1999-1341 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-1999-1341?

CVE-1999-1341 affects Linux Linux Kernel. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-1999-1341?

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

When was CVE-1999-1341 published?

CVE-1999-1341 was published on 1999-10-22 and last updated on 2026-06-16.

CVE-1999-1341

CVE-1999-1341 is a medium-severity vulnerability in Linux Linux Kernel with a CVSS 2.0 base score of 4.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 4.6)
EPSS exploit prediction: 0% (33rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Linux Linux Kernel
Published: 1999-10-22
Last modified: 2026-06-16

Description

Linux kernel before 2.3.18 or 2.2.13pre15, with SLIP and PPP options, allows local unprivileged users to forge IP packets via the TIOCSETD option on tty devices.

Frequently asked questions

What is CVE-1999-1341?: Linux kernel before 2.3.18 or 2.2.13pre15, with SLIP and PPP options, allows local unprivileged users to forge IP packets via the TIOCSETD option on tty devices.
How severe is CVE-1999-1341?: CVE-1999-1341 has a CVSS 2.0 base score of 4.6, rated medium severity.
Is CVE-1999-1341 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-1999-1341?: CVE-1999-1341 affects Linux Linux Kernel. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-1999-1341?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-1999-1341 published?: CVE-1999-1341 was published on 1999-10-22 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

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