MEDIUM
Windows NT 4.0 and Windows 2000 before URP1 for Windows 2000 SP4 does not properly prevent NULL sessions from accessing certain alternate named pipes, which allows remote attackers to (1) list Windows services via svcctl or (2) read eventlogs via eventlog
Published Jul 11, 2005
5.0
MEDIUMCVSS 2.0
EPSS 19.36%
Description
Windows NT 4.0 and Windows 2000 before URP1 for Windows 2000 SP4 does not properly prevent NULL sessions from accessing certain alternate named pipes, which allows remote attackers to (1) list Windows services via svcctl or (2) read eventlogs via eventlog.
Affected products
No data.
OR
- n/a
- 4.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:P/I:N/A:N
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
19.36% 0.19356
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.19356
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (24 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 19.36% (0.19356) | 97.28th | v5 (v2026.06.15) |
| Jun 15, 2026 | 19.36% (0.19356) | 97.00th | v5 (v2026.06.15) |
| Jun 5, 2026 | 38.22% (0.38225) | 97.31th | v4 (v2025.03.14) |
| Dec 28, 2025 | 26.81% (0.26809) | 96.18th | v4 (v2025.03.14) |
| Dec 27, 2025 | 29.44% (0.29437) | 96.47th | v4 (v2025.03.14) |
| Oct 28, 2025 | 26.81% (0.26809) | 96.11th | v4 (v2025.03.14) |
| Oct 27, 2025 | 29.44% (0.29437) | 96.39th | v4 (v2025.03.14) |
| Oct 23, 2025 | 26.81% (0.26809) | 96.11th | v4 (v2025.03.14) |
| Oct 1, 2025 | 31.16% (0.31158) | 96.62th | v4 (v2025.03.14) |
| Aug 9, 2025 | 29.44% (0.29437) | 96.41th | v4 (v2025.03.14) |
| Jul 6, 2025 | 41.47% (0.41473) | 97.25th | v4 (v2025.03.14) |
| Mar 30, 2025 | 47.73% (0.47733) | 97.46th | v4 (v2025.03.14) |
| Mar 29, 2025 | 60.18% (0.60181) | 97.53th | v4 (v2025.03.14) |
| Mar 23, 2025 | 47.73% (0.47733) | 97.35th | v4 (v2025.03.14) |
| Mar 19, 2025 | 49.61% (0.49612) | 97.47th | v4 (v2025.03.14) |
| Mar 17, 2025 | 59.91% (0.59906) | 98.06th | v4 (v2025.03.14) |
| Jan 16, 2025 | 52.14% (0.52138) | 97.71th | v3 (v2023.03.01) |
| Jun 17, 2024 | 58.07% (0.58069) | 97.74th | v3 (v2023.03.01) |
| Oct 31, 2023 | 88.30% (0.88296) | 98.34th | v3 (v2023.03.01) |
| Jun 1, 2023 | 95.19% (0.95194) | 98.96th | v3 (v2023.03.01) |
| Mar 7, 2023 | 96.31% (0.96311) | 99.19th | v3 (v2023.03.01) |
| Mar 6, 2023 | 20.65% (0.20648) | 96.51th | v2 (v2022.01.01) |
| Apr 1, 2022 | 20.65% (0.20648) | 96.20th | v2 (v2022.01.01) |
| Feb 4, 2022 | 20.65% (0.20648) | 94.08th | v2 (v2022.01.01) |
Weaknesses (0)
No CWE recorded.
References (8)
- http://marc.info/?l=bugtraq&m=112076409813099&w=2 mailing-listx_refsource_BUGTRAQ
- http://secunia.com/advisories/14189 third-party-advisoryx_refsource_SECUNIA
- http://securitytracker.com/id?1014417 vdb-entryx_refsource_SECTRACK
- http://www.hsc.fr/ressources/presentations/null_sessions/ x_refsource_MISC
- http://www.securityfocus.com/bid/14177 vdb-entryx_refsource_BID
- http://www.securityfocus.com/bid/14178 vdb-entryx_refsource_BID
- https://exchange.xforce.ibmcloud.com/vulnerabilities/21286 vdb-entryx_refsource_XF
- https://exchange.xforce.ibmcloud.com/vulnerabilities/21288 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://marc.info/?l=bugtraq&m=112076409813099&w=2 | mailing-listx_refsource_BUGTRAQ | |
| http://secunia.com/advisories/14189 | third-party-advisoryx_refsource_SECUNIA | |
| http://securitytracker.com/id?1014417 | vdb-entryx_refsource_SECTRACK | |
| http://www.hsc.fr/ressources/presentations/null_sessions/ | x_refsource_MISC | |
| http://www.securityfocus.com/bid/14177 | vdb-entryx_refsource_BID | |
| http://www.securityfocus.com/bid/14178 | vdb-entryx_refsource_BID | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/21286 | vdb-entryx_refsource_XF | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/21288 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jul 11, 2005
Updated Aug 7, 2024
Reserved Jul 6, 2005
Link CVE-2005-2150
CISA Vulnrichment
Updated n/a