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CVE-2007-5894

CRITICAL · CVSS 9.3 · Analyzed

Published: 2007-12-06 · Updated: 2026-11-06 · Source: NVD

Stored catalog record

Source record retrieved 2026-11-06T19:24:30.378707+00:00. Scheduled imports handle updates; this page does not assert that the provider was queried just now.

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Vulnerability overview

The reply function in ftpd.c in the gssftp ftpd in MIT Kerberos 5 (krb5) does not initialize the length variable when auth_type has a certain value, which has unknown impact and remote authenticated attack vectors. NOTE: the original disclosure misidentifies the conditions under which the uninitialized variable is used. NOTE: the vendor disputes this issue, stating " The 'length' variable is only uninitialized if 'auth_type' is neither the 'KERBEROS_V4' nor 'GSSAPI'; this condition cannot occur in the unmodified source code.

Patch review priority

Critical technical severity

  • CVSS is at least 9.0; exploitation is not established by severity alone.
  • Fresh EPSS data is unavailable; missing values are not zero.

EPSS unavailable; no zero score is assumed.

EPSS estimates probability of exploitation in the next 30 days. It does not measure your exposure or prove exploitation. The elevated threshold is 10%; CISA KEV takes precedence. About FIRST EPSS ↗

Severity and scoring

CVSS score
9.3 · CRITICAL
CVSS version
2.0
CVSS vector
AV:N/AC:M/Au:N/C:C/I:C/A:C
Weaknesses
NVD-CWE-noinfo

CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.

Known exploitation and remediation

Not listed in the CISA catalog retrieved for this record. This does not establish that exploitation has not occurred.

Verify affected versions and patch availability in the vendor advisory before making changes.

Affected products and versions

  • cpe:2.3:a:mit:kerberos_5:*:*:*:*:*:*:*:*

    Before (exclusive): 1.6.4

These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.

Advisories and references

Explore official sources

Read the official NVD record ↗

Explore the CISA catalog ↗

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