CVE-2013-7441

7.8 HIGH 4% exploit odds Fix listed

What it is

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.

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of service disruption.
Exploit odds: 3.7% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2015-05-29 15:59 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 00:01 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 3.7% in the next 30 days (EPSS).
Severity: 7.8 HIGH (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2015-05-29 15:59 UTC
Last modified: 2026-06-17 00:01 UTC
Exploit probability: 3.7% · EPSS, next 30 days
Weakness: CWE-399
Record status: Modified

Affected

Wouter Verhelst Nbd 2.9.3
Wouter Verhelst Nbd 2.9.4
Wouter Verhelst Nbd 2.9.5
Wouter Verhelst Nbd 2.9.6
Wouter Verhelst Nbd 2.9.7
Wouter Verhelst Nbd 2.9.8
Wouter Verhelst Nbd 2.9.9
Wouter Verhelst Nbd 2.9.22

Attack profile CVSS 2.0 · 7.8

Attack vector: Network
Complexity: Low
Authentication: None
Confidentiality: None
Integrity: None
Availability: Complete

Raw vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Is it in your code?

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Read https://cve-list.com/agent/cve/CVE-2013-7441.md and follow it. Check whether this project is affected by CVE-2013-7441. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record