HOMEVULNERABILITIESCVE-1999-0036
HIGHPOC

CVE-1999-0036

NVD-CWE-OtherPublished: May 26, 1997· Updated: Jun 16, 2026

8.4
CVSS v3.1

Official Description

IRIX login program with a nonzero LOCKOUT parameter allows creation or damage to files.

NVD Source

Technical Analysis

CVE-1999-0036 requires local access, meaning attackers must already have a foothold on the target system.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.4.

A proof-of-concept (PoC) exploit exists for CVE-1999-0036. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

sgi1 product(s)
irix
Source: NVD CPE · 8 total CPE entries

Exploit & PoC Resources

POC AVAILABLEProof-of-concept code exists
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
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.

All References (8)

→
ftp://patches.sgi.com/support/free/security/advisories/19970508-02-PX
→
http://www.ciac.org/ciac/bulletins/h-106.shtml
→
http://www.osvdb.org/990
→
https://exchange.xforce.ibmcloud.com/vulnerabilities/557
→
ftp://patches.sgi.com/support/free/security/advisories/19970508-02-PX
→
http://www.ciac.org/ciac/bulletins/h-106.shtml
→
http://www.osvdb.org/990
→
https://exchange.xforce.ibmcloud.com/vulnerabilities/557

Quick Facts

CVE IDCVE-1999-0036
CVSS Score8.4 / 10
SeverityHIGH
WeaknessNVD-CWE-Other
CISA KEVNo
ExploitPOC
Affected1 vendor(s)
PublishedMay 26, 1997

Related CVEs (NVD-CWE-Other)

CVE-2009-3845
10.0
CVE-2009-2471
10.0
CVE-2009-2296
10.0
CVE-2008-1256
10.0
CVE-2009-2467
10.0
CVE-2010-1988
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-1999-0036 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.
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