CVE-2011-1680

Exp

ncpmount in ncpfs 2.2.6 and earlier does not remove the /etc/mtab~ lock file after a failed attempt to add a mount entry, which has unspecified impact and local attack vectors.

Published: 2011-04-10 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-1680 is rated Exploit Available (50/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.15%). 2 public exploit reference(s) are indexed (Exploit-DB). 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-2011-1680

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2011-1680

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 2025-03-30 0.18% 0.15% -0.03%
2 2025-03-29 0.10% 0.18% +0.07%
3 2023-03-07 — 0.10% —

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-1680

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.4 2.0 MEDIUM
AV:L/AC:M/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 3.4 6.4 [email protected]

Weakness enumeration for CVE-2011-1680

OS Trackers for CVE-2011-1680

vendor priority summary link
ubuntu low CVE-2011-1680 low priority: Ubuntu including 1 source packages (ncpfs), 19 status rows across 19 suites (dapper, hardy, karmic, lucid, maverick, natty, oneiric, precise, quantal, raring, saucy, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): ignored 11, DNE 7, needs-triage 1. https://ubuntu.com/security/CVE-2011-1680

Affected software / configurations for CVE-2011-1680

Vendor Product Version Raw CPE
ncpfs ncpfs <= 2.2.6 cpe:2.3:a:ncpfs:ncpfs:*:*:*:*:*:*:*:*
ncpfs ncpfs 2.2.1 cpe:2.3:a:ncpfs:ncpfs:2.2.1:*:*:*:*:*:*:*
ncpfs ncpfs 2.2.2 cpe:2.3:a:ncpfs:ncpfs:2.2.2:*:*:*:*:*:*:*
ncpfs ncpfs 2.2.3 cpe:2.3:a:ncpfs:ncpfs:2.2.3:*:*:*:*:*:*:*
ncpfs ncpfs 2.2.4 cpe:2.3:a:ncpfs:ncpfs:2.2.4:*:*:*:*:*:*:*
ncpfs ncpfs 2.2.5 cpe:2.3:a:ncpfs:ncpfs:2.2.5:*:*:*:*:*:*:*

References for CVE-2011-1680

URL Tags
http://openwall.com/lists/oss-security/2011/03/04/10
http://openwall.com/lists/oss-security/2011/03/04/11
http://openwall.com/lists/oss-security/2011/03/04/12
http://openwall.com/lists/oss-security/2011/03/04/9
http://openwall.com/lists/oss-security/2011/03/05/3
http://openwall.com/lists/oss-security/2011/03/05/7
http://openwall.com/lists/oss-security/2011/03/07/9
http://openwall.com/lists/oss-security/2011/03/14/16
http://openwall.com/lists/oss-security/2011/03/14/5
http://openwall.com/lists/oss-security/2011/03/14/7
http://openwall.com/lists/oss-security/2011/03/15/6
http://openwall.com/lists/oss-security/2011/03/22/4
http://openwall.com/lists/oss-security/2011/03/22/6
http://openwall.com/lists/oss-security/2011/03/31/3 Exploit
http://openwall.com/lists/oss-security/2011/03/31/4
http://openwall.com/lists/oss-security/2011/04/01/2
https://bugzilla.redhat.com/show_bug.cgi?id=688980 Exploit
https://exchange.xforce.ibmcloud.com/vulnerabilities/66700
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