LOW
CVE-1999-1554
NVD-CWE-OtherPublished: October 31, 1990· Updated: Jun 16, 2026
2.1
CVSS v3.1
Official Description
/usr/sbin/Mail on SGI IRIX 3.3 and 3.3.1 does not properly set the group ID to the group ID of the user who started Mail, which allows local users to read the mail of other users.
Technical Analysis
CVE-1999-1554 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityP
IntegrityNone
AvailabilityNone
AV:L/AC:L/Au:N/C:P/I:N/A:N
Affected Vendors & Products
sgi1 product(s)
irix
Source: NVD CPE · 2 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
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Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (6)
→
http://www.cert.org/advisories/CA-1990-08.htmlPatch · Third Party Advisory · US Government Resource
→
http://www.securityfocus.com/bid/13Patch · Vendor Advisory
→
http://www.cert.org/advisories/CA-1990-08.htmlPatch · Third Party Advisory · US Government Resource
→
http://www.securityfocus.com/bid/13Patch · Vendor Advisory
Quick Facts
CVE IDCVE-1999-1554
CVSS Score2.1 / 10
SeverityLOW
WeaknessNVD-CWE-Other
CISA KEVNo
Affected1 vendor(s)
PublishedOct 31, 1990
Related CVEs (NVD-CWE-Other)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-1999-1554 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.