How severe is CVE-2013-7441?

CVE-2013-7441 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2013-7441 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-7441?

CVE-2013-7441 primarily affects Wouter Verhelst Nbd. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-7441?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2013-7441 published?

CVE-2013-7441 was published on 2015-05-29 and last updated on 2026-06-17.

CVE-2013-7441

CVE-2013-7441 is a high-severity vulnerability in Wouter Verhelst Nbd with a CVSS 2.0 base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-399.

Key facts

Severity: High (CVSS 2.0 base score 7.8)
EPSS exploit prediction: 4% (88th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Wouter Verhelst Nbd
Published: 2015-05-29
Last modified: 2026-06-17

Description

The modern style negotiation in Network Block Device (nbd-server) 2.9.22 through 3.3 allows remote attackers to cause a denial of service (root process termination) by (1) closing the connection during negotiation or (2) specifying a name for a non-existent export.

Frequently asked questions

What is CVE-2013-7441?: The modern style negotiation in Network Block Device (nbd-server) 2.9.22 through 3.3 allows remote attackers to cause a denial of service (root process termination) by (1) closing the connection during negotiation or (2) specifying a name for a non-existent export.
How severe is CVE-2013-7441?: CVE-2013-7441 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2013-7441 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-7441?: CVE-2013-7441 primarily affects Wouter Verhelst Nbd. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-7441?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2013-7441 published?: CVE-2013-7441 was published on 2015-05-29 and last updated on 2026-06-17.

References

Affected products (16)

cpe:2.3:a:wouter_verhelst:nbd:2.9.3:*:*:*:*:*:*:*
cpe:2.3:a:wouter_verhelst:nbd:2.9.4:*:*:*:*:*:*:*
cpe:2.3:a:wouter_verhelst:nbd:2.9.5:*:*:*:*:*:*:*
cpe:2.3:a:wouter_verhelst:nbd:2.9.6:*:*:*:*:*:*:*
cpe:2.3:a:wouter_verhelst:nbd:2.9.7:*:*:*:*:*:*:*
cpe:2.3:a:wouter_verhelst:nbd:2.9.8:*:*:*:*:*:*:*
cpe:2.3:a:wouter_verhelst:nbd:2.9.9:*:*:*:*:*:*:*
cpe:2.3:a:wouter_verhelst:nbd:2.9.22:*:*:*:*:*:*:*
cpe:2.3:a:wouter_verhelst:nbd:2.9.23:*:*:*:*:*:*:*
cpe:2.3:a:wouter_verhelst:nbd:2.9.24:*:*:*:*:*:*:*
cpe:2.3:a:wouter_verhelst:nbd:2.9.25:*:*:*:*:*:*:*
cpe:2.3:a:wouter_verhelst:nbd:3.0:*:*:*:*:*:*:*
cpe:2.3:a:wouter_verhelst:nbd:3.1:*:*:*:*:*:*:*
cpe:2.3:a:wouter_verhelst:nbd:3.1.1:*:*:*:*:*:*:*
cpe:2.3:a:wouter_verhelst:nbd:3.2:*:*:*:*:*:*:*
cpe:2.3:a:wouter_verhelst:nbd:3.3:*:*:*:*:*:*:*

More vulnerabilities in Wouter Verhelst Nbd

CVE-2015-0847 — High (CVSS 7.8): nbd-server.c in Network Block Device (nbd-server) before 3.11 does not properly handle signals, which allows remote…
CVE-2013-6410 — High (CVSS 7.5): nbd-server in Network Block Device (nbd) before 3.5 does not properly check IP addresses, which might allow remote…
CVE-2011-0530 — High (CVSS 7.5): Buffer overflow in the mainloop function in nbd-server.c in the server in Network Block Device (nbd) before 2.9.20…
CVE-2005-3534 — High (CVSS 7.5): Buffer overflow in the Network Block Device (nbd) server 2.7.5 and earlier, and 2.8.0 through 2.8.2, allows remote…
CVE-2011-1925 — Medium (CVSS 5.0): nbd-server.c in Network Block Device (nbd-server) 2.9.21 allows remote attackers to cause a denial of service (NULL…

All CVEs affecting Wouter Verhelst Nbd →

Other CWE-399 (Resource Management Errors) vulnerabilities

CVE-2015-8104 — Critical (CVSS 10.0): The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a…
CVE-2015-0339 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2015-0335 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2015-0333 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2014-4121 — Critical (CVSS 10.0): Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, 4.5, 4.5.1, and 4.5.2 does not properly parse internationalized…
CVE-2014-0560 — Critical (CVSS 10.0): Use-after-free vulnerability in Adobe Reader and Acrobat 10.x before 10.1.12 and 11.x before 11.0.09 on Windows and OS…

Browse all CWE-399 (Resource Management Errors) vulnerabilities →