CVE-2001-0247

CVE-2001-0247 is a critical-severity vulnerability in Mit Kerberos 5 with a CVSS 2.0 base score of 10.0. Its EPSS exploit-prediction score of 19% places it in the 97th percentile, indicating an elevated likelihood of exploitation.

Key facts

Description

Buffer overflows in BSD-based FTP servers allows remote attackers to execute arbitrary commands via a long pattern string containing a {} sequence, as seen in (1) g_opendir, (2) g_lstat, (3) g_stat, and (4) the glob0 buffer as used in the glob functions glob2 and glob3.

Frequently asked questions

What is CVE-2001-0247?
Buffer overflows in BSD-based FTP servers allows remote attackers to execute arbitrary commands via a long pattern string containing a {} sequence, as seen in (1) g_opendir, (2) g_lstat, (3) g_stat, and (4) the glob0 buffer as used in the glob functions glob2 and glob3.
How severe is CVE-2001-0247?
CVE-2001-0247 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2001-0247 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 19% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-0247?
CVE-2001-0247 primarily affects Mit Kerberos 5. In total, 51 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2001-0247?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2001-0247 published?
CVE-2001-0247 was published on 2001-06-18 and last updated on 2026-06-16.

References

Affected products (51)

More vulnerabilities in Mit Kerberos 5

All CVEs affecting Mit Kerberos 5 →