HOMEVULNERABILITIESCVE-2001-1133
LOWPOC

CVE-2001-1133

NVD-CWE-OtherPublished: August 21, 2001· Updated: Jun 16, 2026

2.1
CVSS v3.1

Official Description

Vulnerability in a system call in BSDI 3.0 and 3.1 allows local users to cause a denial of service (reboot) in the kernel via a particular sequence of instructions.

NVD Source

Technical Analysis

CVE-2001-1133 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.

A proof-of-concept (PoC) exploit exists for CVE-2001-1133. 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.
User Interaction
Scope
Impact
ConfidentialityNone
IntegrityNone
AvailabilityP
AV:L/AC:L/Au:N/C:N/I:N/A:P

Affected Vendors & Products

bsdi1 product(s)
bsd os
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

POC AVAILABLEProof-of-concept code exists
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (6)

Quick Facts

CVE IDCVE-2001-1133
CVSS Score2.1 / 10
SeverityLOW
CISA KEVNo
ExploitPOC
Affected1 vendor(s)
PublishedAug 21, 2001

Related CVEs (NVD-CWE-Other)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2001-1133 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.COM. CVE data is provided under the NVD usage policy.