How severe is CVE-2011-4722?

CVE-2011-4722 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2011-4722 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 58% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-4722?

CVE-2011-4722 affects Ipswitch Tftp Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2011-4722?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2011-4722 published?

CVE-2011-4722 was published on 2014-12-28 and last updated on 2026-06-16.

CVE-2011-4722

CVE-2011-4722 is a high-severity vulnerability in Ipswitch Tftp Server with a CVSS 2.0 base score of 7.8. Its EPSS exploit-prediction score of 58% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-22.

Key facts

Severity: High (CVSS 2.0 base score 7.8)
EPSS exploit prediction: 58% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Ipswitch Tftp Server
Published: 2014-12-28
Last modified: 2026-06-16

Description

Directory traversal vulnerability in the TFTP Server 1.0.0.24 in Ipswitch WhatsUp Gold allows remote attackers to read arbitrary files via a .. (dot dot) in the Filename field of an RRQ operation.

Frequently asked questions

What is CVE-2011-4722?: Directory traversal vulnerability in the TFTP Server 1.0.0.24 in Ipswitch WhatsUp Gold allows remote attackers to read arbitrary files via a .. (dot dot) in the Filename field of an RRQ operation.
How severe is CVE-2011-4722?: CVE-2011-4722 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2011-4722 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 58% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-4722?: CVE-2011-4722 affects Ipswitch Tftp Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2011-4722?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2011-4722 published?: CVE-2011-4722 was published on 2014-12-28 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:ipswitch:tftp_server:1.0.0.24:*:*:*:*:*:*:*

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