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CVE-2010-2221

18
FAUCET Score

CVE-2010-2221 describes multiple buffer overflow vulnerabilities within the iSNS implementation of various Linux SCSI target frameworks, including scsi-target-utils, iSCSI Enterprise Target, and Generic SCSI Target Subsystem for Linux, affecting versions prior to 1.0.6, 1.4.20.1, and 1.0.1.1 respectively. These flaws allow remote attackers to trigger a denial of service through memory corruption and daemon crashes, or potentially execute arbitrary code, by sending either a long iSCSI Name string in an SCN message or an invalid PDU. With a CVSS score of 5.0, this vulnerability is rated as medium severity, indicating a network-based attack with low complexity and no authentication required, primarily leading to availability impact. 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
<= 1.0.5CPE matchmatch criteria
cpe:2.3:a:zaal:tgt:*:*:*:*:*:*:*:*
0.9.5CPE matchmatch criteria
cpe:2.3:a:zaal:tgt:0.9.5:*:*:*:*:*:*:*
1.0.0CPE matchmatch criteria
cpe:2.3:a:zaal:tgt:1.0.0:*:*:*:*:*:*:*
1.0.1CPE matchmatch criteria
cpe:2.3:a:zaal:tgt:1.0.1:*:*:*:*:*:*:*
1.0.2CPE matchmatch criteria
cpe:2.3:a:zaal:tgt:1.0.2:*:*:*:*:*:*:*

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
5.35%
Probability of exploitation in next 30 days
EPSS Percentile
91.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0535 is in the 89th 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

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: scsi-target-utils-0:0.0-6.20091205snap.el5_5.3
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: scsi-target-utils

Vendor Advisories (1)

redhatCVE-2010-2221Important

scsi-target-utils: stack buffer overflow vulnerability

Jul 1, 2010

References

archives.neohapsis.com / archives/bugtraq/2010-07/0022.html
archives.neohapsis.com / archives/fulldisclosure/2010-07/0058.html
lists.opensuse.org / opensuse-security-announce/2010-09/msg00006.html
lists.wpkg.org / pipermail/stgt/2010-July/003858.html
bugzilla.redhat.com / show_bug.cgi
scst.svn.sourceforge.net / viewvc/scst/trunk/iscsi-scst/usr/isns.c
scst.svn.sourceforge.net / viewvc/scst
secunia.com / advisories/40485
Vendor Advisory
secunia.com / advisories/40494
Vendor Advisory
secunia.com / advisories/40495
Vendor Advisory
sourceforge.net / mailarchive/forum.php
mandriva.com / security/advisories
osvdb.org / 65990
osvdb.org / 65991
osvdb.org / 65992
redhat.com / support/errata/RHSA-2010-0518.html
securityfocus.com / bid/41327
securitytracker.com / id
vupen.com / english/advisories/2010/1760
vupen.com / english/advisories/2010/1786