Microsoft Windows XP SP2 and earlier, 2000 SP3 and SP4, Server 2003, and older operating systems allows remote attackers to cause a denial of service and possibly execute arbitrary code via crafted IP packets with malformed options, aka the "IP Validation Vulnerability."
CVE-2005-0048
- No confirmed exploitation signals yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 98.7%
- KEV
- Not listed
Published
May 2, 2005
Last Modified
June 16, 2026
References (14)
- cve@mitrehttp://www.kb.cert.org/vuls/id/233754
- cve@mitrehttp://www.us-cert.gov/cas/techalerts/TA05-102A.html
- cve@mitrehttp://xforce.iss.net/xforce/alerts/id/192
- cve@mitrehttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2005/ms05-019
- cve@mitrehttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1744
- cve@mitrehttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A3824
- cve@mitrehttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A4549
- af854a3a-2127-422b-91ae-364da2661108http://www.kb.cert.org/vuls/id/233754
- af854a3a-2127-422b-91ae-364da2661108http://www.us-cert.gov/cas/techalerts/TA05-102A.html
- af854a3a-2127-422b-91ae-364da2661108http://xforce.iss.net/xforce/alerts/id/192
- af854a3a-2127-422b-91ae-364da2661108https://docs.microsoft.com/en-us/security-updates/securitybulletins/2005/ms05-019
- af854a3a-2127-422b-91ae-364da2661108https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1744
- af854a3a-2127-422b-91ae-364da2661108https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A3824
- af854a3a-2127-422b-91ae-364da2661108https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A4549
Data Freshness Timeline
(refreshed 6× in last 7d / 25× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-13 22:24 UTCEPSS rescore
- 2026-07-13 06:07 UTCEPSS rescore
- 2026-07-13 06:07 UTCEPSS rescore
- 2026-07-11 08:22 UTCEPSS rescore
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- 2026-07-08 15:09 UTCEPSS rescore
- 2026-07-06 02:19 UTCEPSS rescore
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- 2026-07-02 14:00 UTCEPSS rescore
- 2026-07-01 15:01 UTCEPSS rescore
- 2026-06-28 04:52 UTCEPSS rescore
- 2026-06-25 13:46 UTCEPSS rescore
- 2026-06-23 21:29 UTCEPSS rescore
- 2026-06-22 14:22 UTCEPSS rescore
- 2026-06-22 14:22 UTCEPSS rescore
- 2026-06-21 01:56 UTCEPSS rescore
- 2026-06-18 17:49 UTCEPSS rescore
- 2026-06-18 17:49 UTCEPSS rescore
- 2026-06-17 17:49 UTCEPSS rescore
- 2026-06-17 17:49 UTCEPSS rescore
- 2026-06-16 17:49 UTCEPSS rescore
- 2026-06-16 17:49 UTCEPSS rescore
- 2026-06-15 17:44 UTCEPSS rescore
- 2026-06-14 23:13 UTCEPSS rescore
- 2026-06-14 23:13 UTCEPSS rescore
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- 2026-06-12 23:08 UTCEPSS rescore
- 2026-06-11 13:55 UTCEPSS rescore
- 2026-06-10 22:14 UTCEPSS rescore
- 2026-06-10 13:17 UTCEPSS rescore
- 2026-06-05 06:07 UTCEPSS rescore
- 2026-06-05 06:07 UTCEPSS rescore
- 2026-06-04 13:09 UTCEPSS rescore
- 2026-06-04 13:09 UTCEPSS rescore
- 2026-06-02 20:10 UTCEPSS rescore
- 2026-06-02 20:10 UTCEPSS rescore
- 2026-06-01 13:49 UTCEPSS rescore
- 2026-06-01 13:49 UTCEPSS rescore
- 2026-05-31 13:39 UTCEG score recompute
- 2026-05-31 13:39 UTCGHSA enrichment
- 2026-05-31 00:13 UTCEPSS rescore
- 2026-05-31 00:13 UTCEPSS rescore
- 2026-05-29 13:40 UTCEPSS rescore
- 2026-05-29 13:40 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-27 13:37 UTCEPSS rescore
- 2026-05-24 16:42 UTCEPSS rescore
- 2026-05-22 21:15 UTCEPSS rescore
- 2026-05-21 22:38 UTCEPSS rescore
- 2026-05-20 22:36 UTCEPSS rescore
- 2026-05-20 22:36 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
Publicly available exploits
(3 references)Working exploit code is in the public domain (3 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- Exploit-DBEDB-942✓ verifiedFirst seen Apr 17, 2005
Microsoft Windows - Malformed IP Options Denial of Service (MS05-019)
Open source ↗ - Exploit-DBEDB-25384✓ verifiedFirst seen Apr 16, 2005
Microsoft Windows XP/2000 - Internet Protocol Validation Remote Code Execution (2)
Open source ↗ - Exploit-DBEDB-25383✓ verifiedFirst seen Apr 12, 2005
Microsoft Windows XP/2000 - Internet Protocol Validation Remote Code Execution (1)
Open source ↗
Frequently asked(4)
What is CVE-2005-0048?
When was CVE-2005-0048 disclosed?
Is CVE-2005-0048 actively exploited?
How do I remediate CVE-2005-0048?
Dependency Blast Radius
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