HIGH
xinetd 2.1.8.x does not properly restrict connections if hostnames are used for access control and the connecting host does not have a reverse DNS entry
Published Oct 13, 2000
7.5
HIGHCVSS 2.0
EPSS 2.14%
Description
xinetd 2.1.8.x does not properly restrict connections if hostnames are used for access control and the connecting host does not have a reverse DNS entry.
Affected products
No data.
OR
- 2.1.87
- 2.1.88
- 2.1.88_pre1
- 2.1.88_pre2
- 2.1.89_pre1
- 2.1.89_pre2
- 2.1.89_pre3
- 2.1.89_pre4
- 2.1.89_pre5
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.
7.5 HIGH NVD
AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
2.14% 0.02139
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
EPSS probability 0.02139
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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 2.14% (0.02139) | 81.38th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.14% (0.02139) | 79.58th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.49% (0.00489) | 63.43th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.36% (0.00360) | 73.09th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.36% (0.00360) | 71.42th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.36% (0.00360) | 67.80th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.02% (0.01018) | 38.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.02% (0.01018) | 36.86th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
Weaknesses (0)
No CWE recorded.
References (4)
- http://www.debian.org/security/2000/20000619 vendor-advisoryx_refsource_DEBIAN
- http://www.securityfocus.com/bid/1381 vdb-entryx_refsource_BIDExploitPatchVendor Advisory
- http://www.synack.net/xinetd/ x_refsource_CONFIRMPatchVendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/4986 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://www.debian.org/security/2000/20000619 | vendor-advisoryx_refsource_DEBIAN | |
| http://www.securityfocus.com/bid/1381 | vdb-entryx_refsource_BIDExploitPatchVendor Advisory | |
| http://www.synack.net/xinetd/ | x_refsource_CONFIRMPatchVendor Advisory | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/4986 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Oct 13, 2000
Updated Aug 8, 2024
Reserved Jul 11, 2000
Link CVE-2000-0536
CISA Vulnrichment
Updated n/a