CVE-2011-1681

CVE-2011-1681 is a low-severity vulnerability in Vmware Open-vm-tools with a CVSS 2.0 base score of 3.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-16.

Key facts

• Severity: Low (CVSS 2.0 base score 3.3)
• EPSS exploit prediction: 0% (35th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-16
• Affected product: Vmware Open-vm-tools
• Published: 2011-04-10
• Last modified: 2026-06-16

Description

vmware-hgfsmounter in VMware Open Virtual Machine Tools (aka open-vm-tools) 8.4.2-261024 and earlier attempts to append to the /etc/mtab file without first checking whether resource limits would interfere, which allows local users to trigger corruption of this file via a process with a small RLIMIT_FSIZE value, a related issue to CVE-2011-1089.

Frequently asked questions

What is CVE-2011-1681?

vmware-hgfsmounter in VMware Open Virtual Machine Tools (aka open-vm-tools) 8.4.2-261024 and earlier attempts to append to the /etc/mtab file without first checking whether resource limits would interfere, which allows local users to trigger corruption of this file via a process with a small RLIMIT_FSIZE value, a related issue to CVE-2011-1089.

How severe is CVE-2011-1681?

CVE-2011-1681 has a CVSS 2.0 base score of 3.3, rated low severity.

Is CVE-2011-1681 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-1681?

CVE-2011-1681 affects Vmware Open-vm-tools. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2011-1681?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2011-1681 published?

CVE-2011-1681 was published on 2011-04-10 and last updated on 2026-06-16.

References

• 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
• http://openwall.com/lists/oss-security/2011/03/31/4
• http://openwall.com/lists/oss-security/2011/04/01/2
• http://secunia.com/advisories/44904
• https://bugzilla.redhat.com/show_bug.cgi?id=688980
• https://exchange.xforce.ibmcloud.com/vulnerabilities/66699
• https://hermes.opensuse.org/messages/8711677

Affected products (1)

• cpe:2.3:a:vmware:open-vm-tools:*:*:*:*:*:*:*:*

More vulnerabilities in Vmware Open-vm-tools

• CVE-2009-1143 — High (CVSS 7.0): An issue was discovered in open-vm-tools 2009.03.18-154848. Local users can bypass intended access restrictions on…

All CVEs affecting Vmware Open-vm-tools →

Other CWE-16 vulnerabilities

• CVE-2013-4316 — Critical (CVSS 10.0): Apache Struts 2.0.0 through 2.3.15.1 enables Dynamic Method Invocation by default, which has unknown impact and attack…
• CVE-2013-1221 — Critical (CVSS 10.0): The Tomcat Web Management feature in Cisco Unified Customer Voice Portal (CVP) Software before 9.0.1 ES 11 does not…
• CVE-2011-4501 — Critical (CVSS 10.0): The UPnP IGD implementation in Edimax EdiLinux on the Edimax BR-6104K with firmware before 3.25, Edimax 6114Wg,…
• CVE-2010-4586 — Critical (CVSS 10.0): The default configuration of Opera before 11.00 enables WebSockets functionality, which has unspecified impact and…
• CVE-2010-2977 — Critical (CVSS 10.0): Cisco Unified Wireless Network (UWN) Solution 7.x before 7.0.98.0 does not properly implement TLS and SSL, which has…
• CVE-2010-2276 — Critical (CVSS 10.0): The default configuration of the build process in Dojo 0.4.x before 0.4.4, 1.0.x before 1.0.3, 1.1.x before 1.1.2,…

Browse all CWE-16 vulnerabilities →