File and Print Sharing service in Windows 95, Windows 98, and Windows Me does not properly check the password for a file share, which allows
File and Print Sharing service in Windows 95, Windows 98, and Windows Me does not properly check the password for a file share, which allows remote attackers to bypass share access controls by sending a 1-byte password that matches the first character of the real password, aka the "Share Level Password" vulnerability.
- Published
- Dec 19, 2000
- Updated
- Sep 23, 2026
- EPSS
- 45.0% · 99th percentile
- CWE
- —
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Report tools
Action score
38
Monitor
Low priority for now.
- CVSS
- 25 / 40 · 6.4 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 13 / 30 · 45.0%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| microsoft | windows 95 | cpe:2.3:o:microsoft:windows_95 |
| microsoft | windows 98 | cpe:2.3:o:microsoft:windows_98 |
| microsoft | windows 98se | cpe:2.3:o:microsoft:windows_98se |
| microsoft | windows me | cpe:2.3:o:microsoft:windows_me |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- microsoft windows 95all versions
- microsoft windows 98all versions
- microsoft windows 98seall versions
- microsoft windows meall versions
Same product
microsoft: all recordsOther highest-scoring records for the same primary product.
- CVE-2000-0330The networking software in Windows 95 and Windows 98 allows remote attackers to execute commands via a long file name string, aka the "File 35Monitor
- CVE-2000-1039Various TCP/IP stacks and network applications allow remote attackers to cause a denial of service by flooding a target host with TCP connec34Monitor
- CVE-1999-0387A legacy credential caching mechanism used in Windows 95 and Windows 98 systems allows attackers to read plaintext network passwords.33Monitor
- CVE-1999-0518A NETBIOS/SMB share password is guessable.31Monitor
- CVE-2000-0155Windows NT Autorun executes the autorun.inf file on non-removable media, which allows local attackers to specify an alternate program to exe29Monitor
- CVE-2000-0742The IPX protocol implementation in Microsoft Windows 95 and 98 allows remote attackers to cause a denial of service by sending a ping packet26Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
Proof of concept available
A public proof of concept or detection signature exists. Exploit knowledge is out there; don't delay patching.
Evidence
- Exploit-DB entry ×2
- Proof-of-concept repository on GitHub ×1
Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.
| Source | Kind | Date |
|---|---|---|
| Exploit-DB entry | remote | 2000-10-10 |
| Exploit-DB entry | remote | 2000-10-10 |
| Proof-of-concept repository on GitHub | stars:2 | 2019-10-26 |
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
- First PoC-70 d
- Published
- TodaySep 30, 2026+9417 d
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- P · data can be read
- Integrity
- P · data or configuration can be modified
- Availability
- none
- Attack complexity
- Low
- Confidentiality impact
- P
- Integrity impact
- P
- Availability impact
- None
Weakness class (CWE)
—
CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:N
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
- marc.info/?l=bugtraq&m=97147777618139&w=2
- docs.microsoft.com/en-us/security-updates/securitybulletins/2000/ms00-072
- exchange.xforce.ibmcloud.com/vulnerabilities/5395
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A996
Vendor advisories and official records. Exploit/PoC links are deliberately left out.