CVE-2011-1018

Exp

logwatch.pl in Logwatch 7.3.6 allows remote attackers to execute arbitrary commands via shell metacharacters in a log file name, as demonstrated via a crafted username to a Samba server.

Published: 2011-02-25 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2011-1018 is rated High Exploit Risk (85.7/100): CVSS Critical severity, with high exploitation likelihood (EPSS 18.32%, 97th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2011-1018

EDB-ID Source Kind Published Link
35386 exploit_db edb 2011-02-24 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2011-1018

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 21.54% 18.32% -3.22%
2 2025-12-28 23.34% 21.54% -1.80%
3 2025-11-04 23.34%

Full EPSS history (14 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-1018

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
10.0 10.0 [email protected]

Weakness enumeration for CVE-2011-1018

OS Trackers for CVE-2011-1018

vendor priority summary link
debian not yet assigned CVE-2011-1018 not yet assigned priority: Debian including 1 source packages (logwatch), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2011-1018
gentoo high CVE-2011-1018: 1 GLSA(s) (201203-20), 1 atom(s) (sys-apps/logwatch); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2011-1018
redhat high https://access.redhat.com/security/cve/CVE-2011-1018
ubuntu medium CVE-2011-1018 medium priority: Ubuntu including 1 source packages (logwatch), 6 status rows across 6 suites (dapper, hardy, karmic, lucid, maverick, upstream): released 5, needs-triage 1. https://ubuntu.com/security/CVE-2011-1018

Affected software / configurations for CVE-2011-1018

Vendor Product Version Raw CPE
logwatch logwatch 7.3.6 cpe:2.3:a:logwatch:logwatch:7.3.6:*:*:*:*:*:*:*

References for CVE-2011-1018

URL Tags
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055579.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055585.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055617.html
http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.html
http://logwatch.svn.sourceforge.net/viewvc/logwatch/scripts/logwatch.pl?r1=3&r2=26&pathrev=26 Patch
http://secunia.com/advisories/43356
http://secunia.com/advisories/43495 Vendor Advisory
http://secunia.com/advisories/43622
http://secunia.com/advisories/43644
http://secunia.com/advisories/43734
http://sourceforge.net/mailarchive/forum.php?thread_name=4D604843.7040303%40mblmail.net&forum_name=logwatch-devel
http://sourceforge.net/tracker/?func=detail&aid=3184223&group_id=312875&atid=1316824 Patch
http://www.debian.org/security/2011/dsa-2182
http://www.openwall.com/lists/oss-security/2011/02/24/13 Patch
http://www.openwall.com/lists/oss-security/2011/02/24/15 Patch
http://www.redhat.com/support/errata/RHSA-2011-0324.html
http://www.securityfocus.com/bid/46554
http://www.securitytracker.com/id?1025165
http://www.ubuntu.com/usn/USN-1078-1
http://www.vupen.com/english/advisories/2011/0533
http://www.vupen.com/english/advisories/2011/0581
http://www.vupen.com/english/advisories/2011/0596
https://bugzilla.redhat.com/show_bug.cgi?id=680237 Patch
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