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CVE-2011-4720

5.0 · MEDIUM

Hillstone HS TFTP Server 1.3.2 allows remote attackers to cause a denial of service (daemon crash) via a long filename in a (1) RRQ or (2) WRQ operation.

Published Dec 28, 2014hillstone_softwareCWE-20EPSS 2.68%

Overview

CVE-2011-4720 is a medium-severity vulnerability affecting hillstone_software hs_tftp_server. It was published on December 28, 2014 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Hillstone HS TFTP Server 1.3.2 allows remote attackers to cause a denial of service (daemon crash) via a long filename in a (1) RRQ or (2) WRQ operation.

Remediation

Check the references section for vendor advisories and patches from hillstone_software. Update hs_tftp_server to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refsecpod.org/blog/?p=419Refsecpod.org/blog/?p=419

How CyberStrike helps

Frequently asked questions

What is CVE-2011-4720?

CVE-2011-4720 is a medium-severity vulnerability affecting hillstone_software hs_tftp_server. It was published on December 28, 2014 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2011-4720?

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2011-4720?

Check the references section for vendor advisories and patches from hillstone_software. Update hs_tftp_server to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2011-4720?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-4720 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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