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CVE-2011-2522

38
FAUCET Score

CVE-2011-2522 describes multiple Cross-Site Request Forgery (CSRF) vulnerabilities within the Samba Web Administration Tool (SWAT) in Samba 3.x versions prior to 3.5.10, impacting various Linux distributions. These flaws allow remote attackers to hijack authenticated administrator sessions to perform critical actions like managing daemons, shares, printers, and user accounts. The vulnerability has a CVSS score of 6.8 (Medium), indicating a network-based attack with medium complexity, potentially leading to partial confidentiality, integrity, and availability impacts. Its FAUCET Risk Score of 95/100 highlights its significant potential for misuse. While not listed on the CISA KEV catalog or actively exploited, exploit code is publicly available via ExploitDB (EDB-17577). Despite this, there is minimal community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 3.0.0, < 3.3.16CPE matchmatch criteria
cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*
>= 3.4.0, < 3.4.14CPE matchmatch criteria
cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*
>= 3.5.0, < 3.5.10CPE matchmatch criteria
cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*
5.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:5.0:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.8MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
10.05%
Probability of exploitation in next 30 days
EPSS Percentile
95.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-17577 · Jul 27, 2011
This CVE's current EPSS score of 0.1005 is in the 95th percentile among its peer group of 19,956 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 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 (6)

redhatpatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: samba-0:3.0.33-0.34.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: samba-0:3.0.33-3.29.el5_7.4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: samba3x-0:3.5.4-0.83.el5_7.2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: cifs-utils-0:4.8.1-2.el6_1.2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: samba-0:3.5.6-86.el6_1.4
View patch

Vendor Advisories (1)

redhatCVE-2011-2522Moderate

(SWAT): Absent CSRF protection in various Samba web configuration formulars

Jul 26, 2011

References

jvn.jp / en/jp/JVN29529126/index.html
Third Party Advisory
marc.info
Mailing ListThird Party Advisory
osvdb.org / 74071
Broken Link
samba.org / samba/history/samba-3.5.10.html
Vendor Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatchThird Party Advisory
bugzilla.samba.org / show_bug.cgi
Issue TrackingPatchThird Party Advisory
secunia.com / advisories/45393
Third Party Advisory
secunia.com / advisories/45488
Third Party Advisory
secunia.com / advisories/45496
Third Party Advisory
securityreason.com / securityalert/8317
Third Party Advisory
securitytracker.com / id
Third Party AdvisoryVDB Entry
exchange.xforce.ibmcloud.com / vulnerabilities/68843
Third Party AdvisoryVDB Entry
ubuntu.com / usn/usn-1182-1
Third Party Advisory
debian.org / security/2011/dsa-2290
Third Party Advisory
exploit-db.com / exploits/17577
ExploitThird Party AdvisoryVDB Entry
itrc.hp.com / service/cki/docDisplay.do
Broken Link
mandriva.com / security/advisories
Broken Link
samba.org / samba/security/CVE-2011-2522
Vendor Advisory
securityfocus.com / bid/48899
Third Party AdvisoryVDB Entry