CVE-2002-1235

CRITICAL

The kadm_ser_in function in (1) the Kerberos v4compatibility administration daemon (kadmind4) in the MIT Kerberos 5 (krb5) krb5-1.2.6 and earlier, (2) kadmind in KTH Kerberos 4 (eBones) before 1.2....

Affects 4 products across 3 vendors.

CVSS 2.010.0
EPSS15.1%
Percentile97th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity.
◆ AI Analysis — automated analysis, not human-reviewed

This vulnerability was disclosed in 2002. A critical vulnerability affects Debian systems (CVE-2002-1235). No public exploit code is currently available. Isolate affected systems if patching is not feasible.

BSID: BS-2002-GLOBAL-346313-C • Model: rule-based-v1 • Confidence: MEDIUM

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Frequently Asked Questions
What is CVE-2002-1235?
This vulnerability was disclosed in 2002. A critical vulnerability affects Debian systems (CVE-2002-1235). No public exploit code is currently available. Isolate affected systems if patching is not feasible.
What is the CVSS score for CVE-2002-1235?
CVE-2002-1235 has CVSS 10.0 (Critical). Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C. EPSS: 15.1%.
Is CVE-2002-1235 actively exploited?
No confirmed active exploitation of CVE-2002-1235 as of 2026-09-25.
How do I remediate CVE-2002-1235?
Priority: MEDIUM. Advisory: http://web.mit.edu/kerberos/www/advisories/2002-002-kadm4_attacksig.txt PSIRT: [email protected]
What systems are affected by CVE-2002-1235?
CVE-2002-1235 affects Debian Debian Linux; Kth Kth Kerberos 4, Kth Kerberos 5; Mit Kerberos 5.
Vulnerability Details
CVE IDCVE-2002-1235
BSIDBS-2002-GLOBAL-346313-C BreachSpider Global ID
CVSS VectorAV:N/AC:L/Au:N/C:C/I:C/A:C
Published2002-11-04
Last Modified2026-06-16
ICS Relevance0%
SourceNVD
Official Description

The kadm_ser_in function in (1) the Kerberos v4compatibility administration daemon (kadmind4) in the MIT Kerberos 5 (krb5) krb5-1.2.6 and earlier, (2) kadmind in KTH Kerberos 4 (eBones) before 1.2.1, and (3) kadmind in KTH Kerberos 5 (Heimdal) before 0.5.1 when compiled with Kerberos 4 support, does not properly verify the length field of a request, which allows remote attackers to execute arbitrary code via a buffer overflow attack.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

Vulnerability details: The kadm_ser_in function in (1) the Kerberos v4compatibility administration daemon (kadmind4) in the MIT Kerberos 5 (krb5) krb5-1.2.6 and earlier, (2) kadmind in KTH Kerberos 4 (eBones) before 1.2.1, and (3) kadmind in KTH Kerberos 5 (Heimdal) before 0.5.1 when compiled with Kerberos 4 support, does not properly verify the length field of a request, which allows remote attackers to execute arbitrary code via a buffer overflow attack. CVSS vector: AV:N/AC:L/Au:N/C:C/I:C/A:C.

Exploitation Likelihood: LOW

Affected Products
VendorProductAffected Versions
Debian Debian Linux 3.0
Kth Kth Kerberos 4 < 1.2.1
Kth Kth Kerberos 5 < 0.5.1
Mit Kerberos 5 ≥ 1.0, ≤ 1.2.6
Remediation
View Vendor Advisory →

Remediation Priority: MEDIUM

Vendor PSIRT: [email protected]
Threat Intelligence
● Threat Intelligence Validated: October 2026 | Threat Age: 8747 Days
CISA known-exploitedNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
AI Enrichment Record — provenance & audit hash
Modelrule-based-v1
ConfidenceMEDIUM
Enriched At2026-05-24
SHA-512 Audit Hashd764720e1aa987d092b2fbd9ad3c43fa62d39728eb177eabffdfe719ab1172091fdc08f50df9879ecda4f4ead2c0acf47aa038d282cf0be191fa3261f21d23e9
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