CVE-2013-6410

nbd-server in Network Block Device (nbd) before 3.5 does not properly check IP addresses, which might allow remote attackers to bypass intended access restrictions via an IP address that has a partial match in the authfile configuration file.

Published: 2013-12-07 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2013-6410 is rated Moderate Risk (48.2/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.32%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2013-6410

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-17 0.57% 0.32% -0.25%
2 2024-12-17 0.95% 0.57% -0.38%
3 2023-03-07 — 0.95% —

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-6410

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2013-6410

OS Trackers for CVE-2013-6410

vendor priority summary link
debian not yet assigned CVE-2013-6410 not yet assigned priority: Debian including 1 source packages (nbd), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2013-6410
ubuntu low CVE-2013-6410 low priority: Ubuntu including 1 source packages (nbd), 9 status rows across 9 suites (lucid, precise, quantal, raring, saucy, trusty, upstream, utopic, vivid): ignored 4, not-affected 3, needs-triage 1, released 1. https://ubuntu.com/security/CVE-2013-6410

Affected software / configurations for CVE-2013-6410

Vendor Product Version Raw CPE
wouter_verhelst nbd <= 3.4 cpe:2.3:a:wouter_verhelst:nbd:*:*:*:*:*:*:*:*
wouter_verhelst nbd 2.7.5 cpe:2.3:a:wouter_verhelst:nbd:2.7.5:*:*:*:*:*:*:*
wouter_verhelst nbd 2.8.0 cpe:2.3:a:wouter_verhelst:nbd:2.8.0:*:*:*:*:*:*:*
wouter_verhelst nbd 2.8.2 cpe:2.3:a:wouter_verhelst:nbd:2.8.2:*:*:*:*:*:*:*
wouter_verhelst nbd 2.8.4 cpe:2.3:a:wouter_verhelst:nbd:2.8.4:*:*:*:*:*:*:*
wouter_verhelst nbd 2.8.5 cpe:2.3:a:wouter_verhelst:nbd:2.8.5:*:*:*:*:*:*:*
wouter_verhelst nbd 2.8.6 cpe:2.3:a:wouter_verhelst:nbd:2.8.6:*:*:*:*:*:*:*
wouter_verhelst nbd 2.8.7 cpe:2.3:a:wouter_verhelst:nbd:2.8.7:*:*:*:*:*:*:*
wouter_verhelst nbd 2.9.0 cpe:2.3:a:wouter_verhelst:nbd:2.9.0:*:*:*:*:*:*:*
wouter_verhelst nbd 2.9.1 cpe:2.3:a:wouter_verhelst:nbd:2.9.1:*:*:*:*:*:*:*
wouter_verhelst nbd 2.9.2 cpe:2.3:a:wouter_verhelst:nbd:2.9.2:*:*:*:*:*:*:*
wouter_verhelst nbd 2.9.3 cpe:2.3:a:wouter_verhelst:nbd:2.9.3:*:*:*:*:*:*:*
wouter_verhelst nbd 2.9.4 cpe:2.3:a:wouter_verhelst:nbd:2.9.4:*:*:*:*:*:*:*
wouter_verhelst nbd 2.9.5 cpe:2.3:a:wouter_verhelst:nbd:2.9.5:*:*:*:*:*:*:*
wouter_verhelst nbd 2.9.6 cpe:2.3:a:wouter_verhelst:nbd:2.9.6:*:*:*:*:*:*:*
wouter_verhelst nbd 2.9.7 cpe:2.3:a:wouter_verhelst:nbd:2.9.7:*:*:*:*:*:*:*
wouter_verhelst nbd 2.9.8 cpe:2.3:a:wouter_verhelst:nbd:2.9.8:*:*:*:*:*:*:*
wouter_verhelst nbd 2.9.9 cpe:2.3:a:wouter_verhelst:nbd:2.9.9:*:*:*:*:*:*:*
wouter_verhelst nbd 2.9.10 cpe:2.3:a:wouter_verhelst:nbd:2.9.10:*:*:*:*:*:*:*
wouter_verhelst nbd 2.9.11 cpe:2.3:a:wouter_verhelst:nbd:2.9.11:*:*:*:*:*:*:*
wouter_verhelst nbd 2.9.12 cpe:2.3:a:wouter_verhelst:nbd:2.9.12:*:*:*:*:*:*:*
wouter_verhelst nbd 2.9.13 cpe:2.3:a:wouter_verhelst:nbd:2.9.13:*:*:*:*:*:*:*
wouter_verhelst nbd 2.9.14 cpe:2.3:a:wouter_verhelst:nbd:2.9.14:*:*:*:*:*:*:*
wouter_verhelst nbd 2.9.15 cpe:2.3:a:wouter_verhelst:nbd:2.9.15:*:*:*:*:*:*:*
wouter_verhelst nbd 2.9.16 cpe:2.3:a:wouter_verhelst:nbd:2.9.16:*:*:*:*:*:*:*
wouter_verhelst nbd 2.9.17 cpe:2.3:a:wouter_verhelst:nbd:2.9.17:*:*:*:*:*:*:*
wouter_verhelst nbd 2.9.18 cpe:2.3:a:wouter_verhelst:nbd:2.9.18:*:*:*:*:*:*:*
wouter_verhelst nbd 2.9.19 cpe:2.3:a:wouter_verhelst:nbd:2.9.19:*:*:*:*:*:*:*
wouter_verhelst nbd 2.9.20 cpe:2.3:a:wouter_verhelst:nbd:2.9.20:*:*:*:*:*:*:*
wouter_verhelst nbd 2.9.21 cpe:2.3:a:wouter_verhelst:nbd:2.9.21:*:*:*:*:*:*:*
wouter_verhelst nbd 2.9.22 cpe:2.3:a:wouter_verhelst:nbd:2.9.22:*:*:*:*:*:*:*
wouter_verhelst nbd 2.9.23 cpe:2.3:a:wouter_verhelst:nbd:2.9.23:*:*:*:*:*:*:*
wouter_verhelst nbd 2.9.24 cpe:2.3:a:wouter_verhelst:nbd:2.9.24:*:*:*:*:*:*:*
wouter_verhelst nbd 2.9.25 cpe:2.3:a:wouter_verhelst:nbd:2.9.25:*:*:*:*:*:*:*
wouter_verhelst nbd 3.0 cpe:2.3:a:wouter_verhelst:nbd:3.0:*:*:*:*:*:*:*
wouter_verhelst nbd 3.1 cpe:2.3:a:wouter_verhelst:nbd:3.1:*:*:*:*:*:*:*
wouter_verhelst nbd 3.1.1 cpe:2.3:a:wouter_verhelst:nbd:3.1.1:*:*:*:*:*:*:*
wouter_verhelst nbd 3.2 cpe:2.3:a:wouter_verhelst:nbd:3.2:*:*:*:*:*:*:*
wouter_verhelst nbd 3.3 cpe:2.3:a:wouter_verhelst:nbd:3.3:*:*:*:*:*:*:*
debian debian_linux 6.0 cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:*
debian debian_linux 7.0 cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
canonical ubuntu_linux 12.04 cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
canonical ubuntu_linux 14.04 cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
canonical ubuntu_linux 14.10 cpe:2.3:o:canonical:ubuntu_linux:14.10:*:*:*:*:*:*:*
canonical ubuntu_linux 15.04 cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:*

References for CVE-2013-6410

cvelogic Threat Intelligence