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CVE-1999-1449
SunOS 4.1.4 on a Sparc 20 machine allows local users to cause a denial of service (kernel panic) by reading from the /dev/tcx0 TCX device.
Low2.1EPSS 0.29%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
SunOS 4.1.4 on a Sparc 20 machine allows local users to cause a denial of service (kernel panic) by reading from the /dev/tcx0 TCX device.
Timeline
ID reserved
By mitre
- 12 days later
· 12 days later
Published
- 23 years later
· 23 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Low2.1 | AV:L/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 0.29% · top 79% of all CVEs (7 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 2.1.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (2)
- http://www.insecure.org/sploits/sunos.dev.tcx0.write.wierd.shit.to.device.bug.html (opens in a new tab)x_refsource_MISCx_transferred
- 19970519 /dev/tcx0 crashes SunOS 4.1.4 on Sparc 20's (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-1999-1449)Record last updated .