Integer overflow in the TCP/IP kernel-mode driver in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows Server 2012, and Windows RT allows remote attackers to cause a denial of service (system hang) via crafted TCP packets, aka "TCP/IP Integer Overflow Vulnerability."
CVE-2013-3138
This CVE was only ever scored under CVSS v2.0. NVD CVSS v2.0 base 7.1 — v2 rates that HIGH (v2 bands: LOW 0.0–3.9 / MEDIUM 4.0–6.9 / HIGH 7.0–10.0; v2 has no CRITICAL band). Vector AV:N/AC:M/Au:N/C:N/I:N/A:C. CVSS v2 is an older, coarser metric than v3.1/v4.0 (no Scope, no User Interaction, no Attack Requirements), so it is not directly comparable to a v3 or v4 score. NVD has never re-scored this record under v3. EPSS predicts 59.4% exploitation probability in the next 30 days, which is reflected in EG Risk but does not lift the v2 base. Confidence: LOW.
- High exploitation likelihood — EPSS 59%
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v2.0 (legacy)
- 7.1HIGHNVD never assigned a CVSS v3 rating to this CVE
- EG Score
- 7.1(low)
- EG Risk
- 60(Track)EG Risk 60/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity71% × 45%Exploitation59% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 59%
- EPSS %ILE
- 99%
- KEV
- Not listed
Published
June 12, 2013
Last Modified
April 29, 2026
References (6)
- secure@microsofthttp://www.us-cert.gov/ncas/alerts/TA13-168A
- secure@microsofthttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-049
- secure@microsofthttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16943
- af854a3a-2127-422b-91ae-364da2661108http://www.us-cert.gov/ncas/alerts/TA13-168A
- af854a3a-2127-422b-91ae-364da2661108https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-049
- af854a3a-2127-422b-91ae-364da2661108https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16943
Data Freshness Timeline
(refreshed 5× in last 7d / 17× 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.
- 2026-08-21 23:44 UTCEPSS rescore
- 2026-08-20 22:50 UTCEPSS rescore
- 2026-08-19 16:59 UTCEPSS rescore
- 2026-08-18 13:42 UTCEPSS rescore
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- 2026-08-02 02:22 UTCEPSS rescore
- 2026-07-30 01:26 UTCEPSS rescore
- 2026-07-28 15:31 UTCEPSS rescore
- 2026-07-26 13:48 UTCEG score recompute▲ 7.10
- 2026-07-25 14:12 UTCEPSS rescore
- 2026-07-23 14:14 UTCEPSS rescore
- 2026-07-23 01:10 UTCEG score recompute▼ 4.80
- 2026-07-23 00:13 UTCEG score recompute▲ 4.80
- 2026-07-22 21:52 UTCEG score recompute▼ 9.00
- 2026-07-22 14:04 UTCEPSS rescore
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- 2026-07-21 15:21 UTCEPSS rescore
- 2026-07-20 17:03 UTCEPSS rescore
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- 2026-07-19 14:27 UTCEPSS rescore
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- 2026-07-16 16:58 UTCEPSS rescore
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- 2026-06-17 17:49 UTCEPSS rescore
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- 2026-06-15 17:44 UTCEPSS rescore
- 2026-06-12 23:08 UTCEPSS rescore
- 2026-06-10 13:18 UTCEPSS rescore
- 2026-06-07 15:22 UTCEPSS rescore
- 2026-06-05 22:44 UTCEPSS rescore
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- 2026-06-05 06:08 UTCEPSS rescore
- 2026-06-01 13:49 UTCEPSS rescore
- 2026-06-01 13:49 UTCEPSS rescore
- 2026-05-28 23:40 UTCEG score recompute
- 2026-05-28 23:40 UTCGHSA enrichment
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-26 07:16 UTCEPSS rescore
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- 2026-05-24 16:43 UTCEPSS rescore
- 2026-05-22 21:15 UTCEPSS rescore
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- 2026-05-20 11:21 UTCEPSS rescore
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- 2026-05-18 21:29 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
Frequently asked(4)
What is CVE-2013-3138?
When was CVE-2013-3138 disclosed?
Is CVE-2013-3138 actively exploited?
How do I remediate CVE-2013-3138?
Dependency Blast Radius
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