The Network Location Awareness (NLA) service in Microsoft Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, and Windows Server 2012 Gold and R2 does not perform mutual authentication to determine a domain connection, which allows remote attackers to trigger an unintended permissive configuration by spoofing DNS and LDAP responses on a local network, aka "NLA Security Feature Bypass Vulnerability."
Published Jan 13, 2015
6.1
MEDIUMCVSS 2.0
EPSS 11.61%
Description
The Network Location Awareness (NLA) service in Microsoft Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, and Windows Server 2012 Gold and R2 does not perform mutual authentication to determine a domain connection, which allows remote attackers to trigger an unintended permissive configuration by spoofing DNS and LDAP responses on a local network, aka "NLA Security Feature Bypass Vulnerability."
Affected products
No data.
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- r2
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- r2
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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.
AV:A/AC:L/Au:N/C:N/I:C/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
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 (22 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 11.61% (0.11613) | 95.93th | v5 (v2026.06.15) |
| Jun 15, 2026 | 11.61% (0.11613) | 95.48th | v5 (v2026.06.15) |
| Dec 28, 2025 | 11.08% (0.11084) | 93.22th | v4 (v2025.03.14) |
| Dec 27, 2025 | 12.80% (0.12799) | 93.82th | v4 (v2025.03.14) |
| Oct 28, 2025 | 11.08% (0.11084) | 93.11th | v4 (v2025.03.14) |
| Oct 27, 2025 | 12.80% (0.12799) | 93.74th | v4 (v2025.03.14) |
| Oct 1, 2025 | 11.08% (0.11084) | 93.22th | v4 (v2025.03.14) |
| Mar 30, 2025 | 12.80% (0.12799) | 93.39th | v4 (v2025.03.14) |
| Mar 29, 2025 | 23.46% (0.23463) | 93.51th | v4 (v2025.03.14) |
| Mar 28, 2025 | 12.80% (0.12799) | 93.40th | v4 (v2025.03.14) |
| Mar 27, 2025 | 23.46% (0.23463) | 95.20th | v4 (v2025.03.14) |
| Mar 20, 2025 | 12.80% (0.12799) | 93.47th | v4 (v2025.03.14) |
| Mar 19, 2025 | 23.46% (0.23463) | 95.29th | v4 (v2025.03.14) |
| Mar 17, 2025 | 20.82% (0.20819) | 95.14th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.91% (0.00912) | 83.52th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.45% (0.00454) | 74.48th | v3 (v2023.03.01) |
| Apr 15, 2023 | 0.45% (0.00454) | 71.47th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.64% (0.00644) | 76.08th | v3 (v2023.03.01) |
| Mar 6, 2023 | 25.22% (0.25220) | 96.96th | v2 (v2022.01.01) |
| Aug 14, 2022 | 25.22% (0.25220) | 96.82th | v2 (v2022.01.01) |
| Jun 3, 2022 | 34.35% (0.34353) | 97.60th | v2 (v2022.01.01) |
| Feb 4, 2022 | 32.69% (0.32686) | 96.53th | v2 (v2022.01.01) |
References (6)
- http://secunia.com/advisories/62098 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/62184 third-party-advisoryx_refsource_SECUNIA
- http://www.securityfocus.com/bid/71930 vdb-entryx_refsource_BID
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-005 vendor-advisoryx_refsource_MS
- https://exchange.xforce.ibmcloud.com/vulnerabilities/99521 vdb-entryx_refsource_XF
- https://exchange.xforce.ibmcloud.com/vulnerabilities/99522 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://secunia.com/advisories/62098 | third-party-advisoryx_refsource_SECUNIA | |
| http://secunia.com/advisories/62184 | third-party-advisoryx_refsource_SECUNIA | |
| http://www.securityfocus.com/bid/71930 | vdb-entryx_refsource_BID | |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-005 | vendor-advisoryx_refsource_MS | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/99521 | vdb-entryx_refsource_XF | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/99522 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.