The (1) krshd and (2) v4rcp applications in (a) MIT Kerberos 5 (krb5) up to 1.5, and 1.4.x before 1.4.4, when running on Linux and AIX, and (b) Heimdal 0.7.2 and earlier, do not check return codes for setuid calls, which allows local users to gain privileges by causing setuid to fail to drop privileges using attacks such as resource exhaustion.
Conclusion & alert: CVE-2006-3083 is rated Moderate Risk (45.3/100): CVSS High severity, with low exploitation likelihood (EPSS 0.12%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
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 | 2024-12-17 | 0.04% | 0.12% | +0.08% |
| 2 | 2023-03-07 | 1.55% | 0.04% | -1.50% |
| 3 | 2022-02-04 | — | 1.55% | — |
Full EPSS history (3 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.2 | 2.0 | HIGH |
|
3.9 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
medium | CVE-2006-3083 medium 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-2006-3083 |
gentoo
|
high | CVE-2006-3083: 2 GLSA(s) (200608-15, 200608-21), 2 atom(s) (app-crypt/heimdal, app-crypt/mit-krb5); latest impact high. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2006-3083 |
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2006-3083 |
ubuntu
|
medium | CVE-2006-3083 medium priority: Ubuntu including 1 source packages (krb5), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): released 3, needs-triage 1. | https://ubuntu.com/security/CVE-2006-3083 |
Red Hat Enterprise Linux 5 is not vulnerable to this issue as it contains a backported patch.
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| heimdal | heimdal | 0.7.2 | cpe:2.3:a:heimdal:heimdal:0.7.2:*:*:*:*:*:*:* |
| mit | kerberos_5 | 1.4 | cpe:2.3:a:mit:kerberos_5:1.4:*:*:*:*:*:*:* |
| mit | kerberos_5 | 1.4.1 | cpe:2.3:a:mit:kerberos_5:1.4.1:*:*:*:*:*:*:* |
| mit | kerberos_5 | 1.4.2 | cpe:2.3:a:mit:kerberos_5:1.4.2:*:*:*:*:*:*:* |
| mit | kerberos_5 | 1.4.3 | cpe:2.3:a:mit:kerberos_5:1.4.3:*:*:*:*:*:*:* |
| mit | kerberos_5 | 1.5 | cpe:2.3:a:mit:kerberos_5:1.5:*:*:*:*:*:*:* |