CVE-2010-0283

The Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.7 before 1.7.2, and 1.8 alpha, allows remote attackers to cause a denial of service (assertion failure and daemon crash) via an invalid (1) AS-REQ or (2) TGS-REQ request.

Published: 2010-02-22 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2010-0283 is rated Moderate Risk (58.5/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.41%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2010-0283

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 3.73% 2.41% -1.32%
2 2025-11-09 3.49% 3.73% +0.24%
3 2025-05-17 — 3.49% —

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2010-0283

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.8 2.0 HIGH
AV:N/AC:L/Au:N/C:N/I:N/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 6.9 [email protected]

Weakness enumeration for CVE-2010-0283

OS Trackers for CVE-2010-0283

vendor priority summary link
debian not yet assigned CVE-2010-0283 not yet assigned priority: Debian including 1 source packages (krb5), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2010-0283
gentoo high CVE-2010-0283: 1 GLSA(s) (201201-13), 1 atom(s) (app-crypt/mit-krb5); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2010-0283
redhat high — https://access.redhat.com/security/cve/CVE-2010-0283
suse high CVE-2010-0283 severity important: SUSE including 78 source package names (krb5-1.12.1-19.1, krb5-1.12.1-6.3, …), 125 product×package rows across 27 product lines (SUSE Linux Enterprise Desktop 12, SUSE Linux Enterprise Desktop 12 SP1, … (27 product lines)): Fixed 125. https://www.suse.com/security/cve/CVE-2010-0283/
ubuntu medium CVE-2010-0283 medium priority: Ubuntu including 1 source packages (krb5), 6 status rows across 6 suites (dapper, hardy, intrepid, jaunty, karmic, upstream): not-affected 4, needs-triage 1, released 1. https://ubuntu.com/security/CVE-2010-0283

Vendor comments (NVD) for CVE-2010-0283

  • Red Hat (2010-02-22T00:00:00)

    Not vulnerable. This issue did not affect the versions of MIT Kerberos 5 as shipped with Red Hat Enterprise Linux 3, 4 or 5. Those versions do not contain the vulnerable code that was introduced in krb5 1.7.

Affected software / configurations for CVE-2010-0283

Vendor Product Version Raw CPE
mit kerberos 5-1.8 cpe:2.3:a:mit:kerberos:5-1.8:alpha:*:*:*:*:*:*
mit kerberos_5 1.7 cpe:2.3:a:mit:kerberos_5:1.7:*:*:*:*:*:*:*
mit kerberos_5 1.7.1 cpe:2.3:a:mit:kerberos_5:1.7.1:*:*:*:*:*:*:*

References for CVE-2010-0283

cvelogic Threat Intelligence