Is CVE-2009-1888 being actively exploited?

CVE-2009-1888 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2009-1888?

CVE-2009-1888 has a CVSS 2.0 base score of 5.8 (MEDIUM).

CVE-2009-1888

MEDIUM · CVSS 5.8EPSS 4.6%EU EUVD

The acl_group_override function in smbd/posix_acls.c in smbd in Samba 3.0.x before 3.0.35, 3.1.x and 3.2.x before 3.2.13, and 3.3.x before 3.3.6, when dos filemode is enabled, allows remote attackers to modify access control lists for files via vectors related to read access to uninitialized memory.

Key facts

CVSS score: 5.8 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:M/Au:N/C:P/I:P/A:N
Weakness (CWE): CWE-264
EPSS score: 4.6% (92th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2009-1883)
Published: June 25, 2009
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2009-1883 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
debian / debian linux
debian / debian linux
samba / samba

References

http://secunia.com/advisories/35539(Third Party Advisory)
http://secunia.com/advisories/35573(Third Party Advisory)
http://secunia.com/advisories/35606(Third Party Advisory)
http://secunia.com/advisories/36918(Third Party Advisory)
http://wiki.rpath.com/Advisories:rPSA-2009-0145(Third Party Advisory)
http://www.debian.org/security/2009/dsa-1823(Third Party Advisory)
http://www.mandriva.com/security/advisories?name=MDVSA-2009:196(Third Party Advisory)
http://www.samba.org/samba/ftp/patches/security/samba-3.0.34-CVE-2009-1888.patch(Exploit, Patch, Vendor Advisory)
http://www.samba.org/samba/ftp/patches/security/samba-3.2.12-CVE-2009-1888.patch(Patch, Vendor Advisory)
http://www.samba.org/samba/ftp/patches/security/samba-3.3.5-CVE-2009-1888.patch(Patch, Vendor Advisory)
http://www.samba.org/samba/security/CVE-2009-1888.html(Patch, Vendor Advisory)
http://www.securityfocus.com/archive/1/507856/100/0/threaded(Third Party Advisory, VDB Entry)
http://www.securityfocus.com/bid/35472(Exploit, Third Party Advisory, VDB Entry)
http://www.securitytracker.com/id?1022442(Third Party Advisory, VDB Entry)
http://www.slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.521591(Third Party Advisory)
http://www.ubuntu.com/usn/USN-839-1(Third Party Advisory)
http://www.vupen.com/english/advisories/2009/1664(Permissions Required, Third Party Advisory)
https://exchange.xforce.ibmcloud.com/vulnerabilities/51327(Third Party Advisory, VDB Entry)
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10790(Third Party Advisory)
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7292(Third Party Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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