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CVE-1999-1040

18
FAUCET Score

CVE-1999-1040 describes a local privilege escalation vulnerability affecting NetWare Client 1.0 on IRIX versions 6.3 and 6.4. Specifically, the ipxchk and ipxlink utilities are susceptible to root access via manipulation of the IFS environmental variable. This vulnerability carries a CVSS score of 7.2 (HIGH), indicating a low attack complexity and requiring local access, but allowing for complete compromise of confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this older vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
6.3CPE matchmatch criteria
cpe:2.3:o:sgi:irix:6.3:*:*:*:*:*:*:*
6.4CPE matchmatch criteria
cpe:2.3:o:sgi:irix:6.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.2HIGH

AV:L/AC:L/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.36%
Probability of exploitation in next 30 days
EPSS Percentile
28.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0036 is in the 32nd percentile among its peer group of 3,241 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.5 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

patches.sgi.com / support/free/security/advisories/19980501-01-P2869
PatchVendor Advisory
ciac.llnl.gov / ciac/bulletins/i-055.shtml
PatchVendor Advisory
marc.info