The UDP implementation in Linux 2.4.x kernels keeps the IP Identification field at 0 for all non-fragmented packets, which could allow remote attackers to determine that a target system is running Linux
Published Jun 11, 2002
5.0
MEDIUMCVSS 2.0
EPSS 2.48%
Description
The UDP implementation in Linux 2.4.x kernels keeps the IP Identification field at 0 for all non-fragmented packets, which could allow remote attackers to determine that a target system is running Linux.
Affected products
No data.
- 2.4.0
- 2.4.1
- 2.4.2
- 2.4.3
- 2.4.4
- 2.4.5
- 2.4.6
- 2.4.7
- 2.4.8
- 2.4.9
- 2.4.10
- 2.4.11
- 2.4.12
- 2.4.13
- 2.4.14
- 2.4.15
- 2.4.16
- 2.4.17
- 2.4.18
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
Red Hat statement
Red Hat do not consider this to be a security issue and there are many ways that you can identify or fingerprint a Linux machine. Users that wish to block fingerprinting can use various techniques to disguise their operating system, for example see http://www.infosecwriters.com/text_resources/pdf/nmap.pdf
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:N/AC:L/Au:N/C:P/I:N/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 1, 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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.48% (0.02483) | 84.02th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.48% (0.02483) | 82.46th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.64% (0.00635) | 68.65th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.31% (0.00311) | 70.91th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.31% (0.00311) | 69.25th | v3 (v2023.03.01) |
| Apr 9, 2023 | 0.31% (0.00311) | 65.47th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.28% (0.00279) | 63.33th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Oct 18, 2022 | 1.14% (0.01136) | 58.28th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.14% (0.01136) | 56.27th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.14% (0.01136) | 34.23th | v2 (v2022.01.01) |
No CWE recorded.
References (6)
- http://www.iss.net/security_center/static/8588.php vdb-entryx_refsource_XFVendor Advisory
- http://www.securityfocus.com/archive/1/262840 mailing-listx_refsource_BUGTRAQVendor Advisory
- http://www.securityfocus.com/bid/4314 vdb-entryx_refsource_BIDVendor Advisory
- https://access.redhat.com/security/cve/CVE-2002-0510 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2002-0510
- https://www.cve.org/CVERecord?id=CVE-2002-0510
| Link | Providers | Tags |
|---|---|---|
| http://www.iss.net/security_center/static/8588.php | vdb-entryx_refsource_XFVendor Advisory | |
| http://www.securityfocus.com/archive/1/262840 | mailing-listx_refsource_BUGTRAQVendor Advisory | |
| http://www.securityfocus.com/bid/4314 | vdb-entryx_refsource_BIDVendor Advisory | |
| https://access.redhat.com/security/cve/CVE-2002-0510 | Vendor Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2002-0510 | ||
| https://www.cve.org/CVERecord?id=CVE-2002-0510 |
Change history (0)
No recorded changes yet.