Nmap through 7.70, when the -sV option is used, allows remote attackers to cause a denial of service (stack consumption and application crash) via a crafted TCP-based service.
CVE-2018-15173
Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2022-05-13. NVD baseline CVSS 7.5; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.5
- EG Score
- 7.5(medium)
- EG Risk
- 41(Track)EG Risk 41/100SSVC: 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 computedSeverity75% × 45%Exploitation6% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 6%
- EPSS %ILE
- 93%
- KEV
- Not listed
Published
August 8, 2018
Last Modified
November 21, 2024
References (12)
- cve@mitrehttp://code610.blogspot.com/2018/07/crashing-nmap-760.html
- cve@mitrehttp://code610.blogspot.com/2018/07/crashing-nmap-770.html
- cve@mitrehttp://lists.opensuse.org/opensuse-security-announce/2019-05/msg00067.html
- cve@mitrehttp://lists.opensuse.org/opensuse-security-announce/2019-09/msg00073.html
- cve@mitrehttp://lists.opensuse.org/opensuse-security-announce/2019-09/msg00075.html
- cve@mitrehttps://security.netapp.com/advisory/ntap-20200827-0004/
- af854a3a-2127-422b-91ae-364da2661108http://code610.blogspot.com/2018/07/crashing-nmap-760.html
- af854a3a-2127-422b-91ae-364da2661108http://code610.blogspot.com/2018/07/crashing-nmap-770.html
- af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00067.html
- af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00073.html
- af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00075.html
- af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20200827-0004/
Affected Packages
(22 across 22 ecosystems)
Alpine:v3.10(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| nmap | — | 7.70-r4 | — |
Alpine:v3.11(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| nmap | — | 7.80-r0 | — |
Alpine:v3.12(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| nmap | — | 7.80-r0 | — |
Alpine:v3.13(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| nmap | — | 7.80-r0 | — |
Alpine:v3.14(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| nmap | — | 7.80-r0 | — |
Alpine:v3.15(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| nmap | — | 7.80-r0 | — |
Alpine:v3.16(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| nmap | — | 7.80-r0 | — |
Alpine:v3.17(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| nmap | — | 7.80-r0 | — |
Alpine:v3.18(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| nmap | — | 7.80-r0 | — |
Alpine:v3.19(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| nmap | — | 7.80-r0 | — |
Alpine:v3.20(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| nmap | — | 7.80-r0 | — |
Alpine:v3.21(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| nmap | — | 7.80-r0 | — |
Alpine:v3.22(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| nmap | — | 7.80-r0 | — |
Alpine:v3.23(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| nmap | — | 7.80-r0 | — |
Alpine:v3.24(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| nmap | — | 7.80-r0 | — |
Alpine:v3.7(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| nmap | — | 7.60-r3 | — |
Alpine:v3.8(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| nmap | — | 7.70-r2 | — |
Alpine:v3.9(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| nmap | — | 7.70-r4 | — |
Debian:11(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| nmap | 7.91+dfsg1+really7.80+dfsg1-2 ... 7.99+dfsg-2 (25 versions) | — | — |
Debian:12(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| nmap | 7.93+dfsg1-1 ... 7.99+dfsg-2 (20 versions) | — | — |
Debian:13(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| nmap | 7.95+dfsg-3, 7.98+dfsg-1, 7.98+dfsg-1~bpo13+1, 7.99+dfsg-1, 7.99+dfsg-2 | — | — |
Debian:14(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| nmap | 7.95+dfsg-3, 7.98+dfsg-1, 7.98+dfsg-1~bpo13+1, 7.99+dfsg-1, 7.99+dfsg-2 | — | — |
Data Freshness Timeline
(refreshed 7× in last 7d / 29× 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.
Showing the most recent 100 of 121 total refreshes for this CVE.
- 2026-08-20 22:51 UTCEPSS rescore
- 2026-08-19 17:00 UTCEPSS rescore
- 2026-08-18 13:43 UTCEPSS rescore
- 2026-08-17 13:42 UTCEPSS rescore
- 2026-08-16 14:51 UTCEPSS rescore
- 2026-08-16 02:10 UTCEPSS rescore
- 2026-08-15 01:26 UTCEPSS rescore
- 2026-08-13 21:56 UTCEPSS rescore
- 2026-08-12 13:46 UTCEPSS rescore
- 2026-08-11 13:36 UTCEPSS rescore
- 2026-08-09 13:42 UTCEPSS rescore
- 2026-08-08 16:32 UTCEPSS rescore
- 2026-08-07 16:22 UTCEPSS rescore
- 2026-08-06 14:10 UTCOSV refresh
- 2026-08-06 13:42 UTCEPSS rescore
- 2026-08-06 13:42 UTCEPSS rescore
- 2026-08-04 15:05 UTCEPSS rescore
- 2026-08-02 02:23 UTCEPSS rescore
- 2026-08-01 04:12 UTCEPSS rescore
- 2026-07-30 16:24 UTCEPSS rescore
- 2026-07-30 01:27 UTCEPSS rescore
- 2026-07-28 15:32 UTCEPSS rescore
- 2026-07-26 14:51 UTCEPSS rescore
- 2026-07-26 14:51 UTCEPSS rescore
- 2026-07-24 14:14 UTCEPSS rescore
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- 2026-07-23 14:15 UTCEPSS rescore
- 2026-07-23 14:15 UTCEPSS rescore
- 2026-07-23 01:33 UTCEG score recompute
- 2026-07-22 22:13 UTCEG score recompute
- 2026-07-22 14:04 UTCEPSS rescore
- 2026-07-21 15:21 UTCEPSS rescore
- 2026-07-21 07:17 UTCOSV refresh
- 2026-07-20 17:04 UTCEPSS rescore
- 2026-07-20 17:04 UTCEPSS rescore
- 2026-07-19 14:28 UTCEPSS rescore
- 2026-07-19 02:26 UTCEPSS rescore
- 2026-07-19 02:26 UTCEPSS rescore
- 2026-07-16 16:59 UTCEPSS rescore
- 2026-07-16 16:59 UTCEPSS rescore
- 2026-07-15 16:55 UTCEPSS rescore
- 2026-07-15 01:56 UTCEPSS rescore
- 2026-07-13 22:26 UTCEPSS rescore
- 2026-07-12 05:43 UTCEPSS rescore
- 2026-07-11 08:24 UTCEPSS rescore
- 2026-07-09 19:06 UTCEPSS rescore
- 2026-07-08 15:11 UTCEPSS rescore
- 2026-07-07 13:42 UTCEPSS rescore
- 2026-07-07 13:42 UTCEPSS rescore
- 2026-07-06 16:24 UTCEPSS rescore
- 2026-07-06 16:24 UTCEPSS rescore
- 2026-07-06 02:20 UTCEPSS rescore
- 2026-07-05 02:27 UTCEPSS rescore
- 2026-07-04 06:28 UTCEPSS rescore
- 2026-07-04 02:56 UTCOSV refresh
- 2026-07-02 16:54 UTCEPSS rescore
- 2026-07-01 15:03 UTCEPSS rescore
- 2026-07-01 15:03 UTCEPSS rescore
- 2026-06-30 23:19 UTCEPSS rescore
- 2026-06-30 23:19 UTCEPSS rescore
- 2026-06-29 14:03 UTCEPSS rescore
- 2026-06-28 04:53 UTCEPSS rescore
- 2026-06-28 04:53 UTCEPSS rescore
- 2026-06-27 03:06 UTCEPSS rescore
- 2026-06-25 13:47 UTCEPSS rescore
- 2026-06-25 13:47 UTCEPSS rescore
- 2026-06-24 14:02 UTCEPSS rescore
- 2026-06-24 14:02 UTCEPSS rescore
- 2026-06-23 21:30 UTCEPSS rescore
- 2026-06-22 14:23 UTCEPSS rescore
- 2026-06-21 14:54 UTCEPSS rescore
- 2026-06-21 14:54 UTCEPSS rescore
- 2026-06-21 01:57 UTCEPSS rescore
- 2026-06-21 01:57 UTCEPSS rescore
- 2026-06-19 19:23 UTCEPSS rescore
- 2026-06-18 17:50 UTCEPSS rescore
- 2026-06-18 17:50 UTCEPSS rescore
- 2026-06-17 17:50 UTCEPSS rescore
- 2026-06-17 17:50 UTCEPSS rescore
- 2026-06-16 17:50 UTCEPSS rescore
- 2026-06-16 17:50 UTCEPSS rescore
- 2026-06-15 17:45 UTCEPSS rescore
- 2026-06-15 14:43 UTCOSV refresh
- 2026-06-14 23:14 UTCEPSS rescore
- 2026-06-14 23:14 UTCEPSS rescore
- 2026-06-13 22:58 UTCEPSS rescore
- 2026-06-13 22:58 UTCEPSS rescore
- 2026-06-12 23:09 UTCEPSS rescore
- 2026-06-11 13:57 UTCEPSS rescore
- 2026-06-10 22:16 UTCEPSS rescore
- 2026-06-10 13:19 UTCEPSS rescore
- 2026-06-08 14:14 UTCEPSS rescore
- 2026-06-08 14:14 UTCEPSS rescore
- 2026-06-07 15:22 UTCEPSS rescore
- 2026-06-07 15:22 UTCEPSS rescore
- 2026-06-06 13:45 UTCEPSS rescore
- 2026-06-06 13:45 UTCEPSS rescore
- 2026-06-05 22:45 UTCEPSS rescore
- 2026-06-05 22:44 UTCEPSS rescore
- 2026-06-05 06:08 UTCEPSS rescore
- 2026-06-05 06:08 UTCEPSS rescore
Frequently asked(5)
What is CVE-2018-15173?
When was CVE-2018-15173 disclosed?
Is CVE-2018-15173 actively exploited?
What is the CVSS score of CVE-2018-15173?
How do I remediate CVE-2018-15173?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2018-15173
Is Your Infrastructure Affected by CVE-2018-15173?
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