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CVE-2011-1925

19
FAUCET Score

CVE-2011-1925 describes a denial-of-service vulnerability in nbd-server 2.9.21, specifically within the nbd-server.c component, affecting Wouter Verhelst's Network Block Device (NBD) server. This vulnerability, rated CVSS 5.0, allows unauthenticated remote attackers to crash the server via a NULL pointer dereference by causing a negotiation failure, such as requesting a non-existent export. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.9.21CPE matchmatch criteria
cpe:2.3:a:wouter_verhelst:nbd:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.52%
Probability of exploitation in next 30 days
EPSS Percentile
83.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0252 is in the 75th percentile among its peer group of 23,701 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

bugs.debian.org / cgi-bin/bugreport.cgi
nbd.git.sourceforge.net / git/gitweb.cgi
security.gentoo.org / glsa/glsa-201206-35.xml
exchange.xforce.ibmcloud.com / vulnerabilities/67502
openwall.com / lists/oss-security/2011/05/17/1
securityfocus.com / bid/47884