OpenTTD before 1.0.1 accepts a company password for authentication in response to a request for the server password, which allows remote authenticated users to bypass intended access restrictions or cause a denial of service (daemon crash) by sending a company password packet.
Conclusion & alert: CVE-2010-0401 is rated Moderate Risk (49.3/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.20%). 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 | 2026-06-15 | 0.33% | 1.20% | +0.87% |
| 2 | 2025-03-30 | 0.36% | 0.33% | -0.03% |
| 3 | 2025-03-29 | — | 0.36% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.5 | 2.0 | MEDIUM |
|
8.0 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2010-0401 not yet assigned priority: Debian including 1 source packages (openttd), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2010-0401 |
ubuntu
|
medium | CVE-2010-0401 medium priority: Ubuntu including 1 source packages (openttd), 13 status rows across 13 suites (dapper, hardy, jaunty, karmic, lucid, maverick, natty, oneiric, precise, quantal, raring, saucy, upstream): not-affected 7, ignored 4, DNE 1, released 1. | https://ubuntu.com/security/CVE-2010-0401 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| openttd | openttd | <= 1.0.0 | cpe:2.3:a:openttd:openttd:*:*:*:*:*:*:*:* |
| openttd | openttd | 0.1.1 | cpe:2.3:a:openttd:openttd:0.1.1:*:*:*:*:*:*:* |
| openttd | openttd | 0.1.2 | cpe:2.3:a:openttd:openttd:0.1.2:*:*:*:*:*:*:* |
| openttd | openttd | 0.1.3 | cpe:2.3:a:openttd:openttd:0.1.3:*:*:*:*:*:*:* |
| openttd | openttd | 0.1.4 | cpe:2.3:a:openttd:openttd:0.1.4:*:*:*:*:*:*:* |
| openttd | openttd | 0.2.0 | cpe:2.3:a:openttd:openttd:0.2.0:*:*:*:*:*:*:* |
| openttd | openttd | 0.2.1 | cpe:2.3:a:openttd:openttd:0.2.1:*:*:*:*:*:*:* |
| openttd | openttd | 0.3.0 | cpe:2.3:a:openttd:openttd:0.3.0:*:*:*:*:*:*:* |
| openttd | openttd | 0.3.1 | cpe:2.3:a:openttd:openttd:0.3.1:*:*:*:*:*:*:* |
| openttd | openttd | 0.3.2 | cpe:2.3:a:openttd:openttd:0.3.2:*:*:*:*:*:*:* |
| openttd | openttd | 0.3.2.1 | cpe:2.3:a:openttd:openttd:0.3.2.1:*:*:*:*:*:*:* |
| openttd | openttd | 0.3.3 | cpe:2.3:a:openttd:openttd:0.3.3:*:*:*:*:*:*:* |
| openttd | openttd | 0.3.4 | cpe:2.3:a:openttd:openttd:0.3.4:*:*:*:*:*:*:* |
| openttd | openttd | 0.3.5 | cpe:2.3:a:openttd:openttd:0.3.5:*:*:*:*:*:*:* |
| openttd | openttd | 0.3.6 | cpe:2.3:a:openttd:openttd:0.3.6:*:*:*:*:*:*:* |
| openttd | openttd | 0.3.7 | cpe:2.3:a:openttd:openttd:0.3.7:*:*:*:*:*:*:* |
| openttd | openttd | 0.4.0 | cpe:2.3:a:openttd:openttd:0.4.0:*:*:*:*:*:*:* |
| openttd | openttd | 0.4.0.1 | cpe:2.3:a:openttd:openttd:0.4.0.1:*:*:*:*:*:*:* |
| openttd | openttd | 0.4.5 | cpe:2.3:a:openttd:openttd:0.4.5:*:*:*:*:*:*:* |
| openttd | openttd | 0.4.6 | cpe:2.3:a:openttd:openttd:0.4.6:*:*:*:*:*:*:* |
| openttd | openttd | 0.4.7 | cpe:2.3:a:openttd:openttd:0.4.7:*:*:*:*:*:*:* |
| openttd | openttd | 0.4.8 | cpe:2.3:a:openttd:openttd:0.4.8:*:*:*:*:*:*:* |
| openttd | openttd | 0.4.8 | cpe:2.3:a:openttd:openttd:0.4.8:rc1:*:*:*:*:*:* |
| openttd | openttd | 0.5.0 | cpe:2.3:a:openttd:openttd:0.5.0:*:*:*:*:*:*:* |
| openttd | openttd | 0.5.0 | cpe:2.3:a:openttd:openttd:0.5.0:rc1:*:*:*:*:*:* |
| openttd | openttd | 0.5.0 | cpe:2.3:a:openttd:openttd:0.5.0:rc2:*:*:*:*:*:* |
| openttd | openttd | 0.5.0 | cpe:2.3:a:openttd:openttd:0.5.0:rc3:*:*:*:*:*:* |
| openttd | openttd | 0.5.0 | cpe:2.3:a:openttd:openttd:0.5.0:rc4:*:*:*:*:*:* |
| openttd | openttd | 0.5.0 | cpe:2.3:a:openttd:openttd:0.5.0:rc5:*:*:*:*:*:* |
| openttd | openttd | 0.5.1 | cpe:2.3:a:openttd:openttd:0.5.1:*:*:*:*:*:*:* |
| openttd | openttd | 0.5.1 | cpe:2.3:a:openttd:openttd:0.5.1:rc1:*:*:*:*:*:* |
| openttd | openttd | 0.5.1 | cpe:2.3:a:openttd:openttd:0.5.1:rc2:*:*:*:*:*:* |
| openttd | openttd | 0.5.1 | cpe:2.3:a:openttd:openttd:0.5.1:rc3:*:*:*:*:*:* |
| openttd | openttd | 0.5.2 | cpe:2.3:a:openttd:openttd:0.5.2:*:*:*:*:*:*:* |
| openttd | openttd | 0.5.2 | cpe:2.3:a:openttd:openttd:0.5.2:rc1:*:*:*:*:*:* |
| openttd | openttd | 0.5.3 | cpe:2.3:a:openttd:openttd:0.5.3:*:*:*:*:*:*:* |
| openttd | openttd | 0.5.3 | cpe:2.3:a:openttd:openttd:0.5.3:rc1:*:*:*:*:*:* |
| openttd | openttd | 0.5.3 | cpe:2.3:a:openttd:openttd:0.5.3:rc2:*:*:*:*:*:* |
| openttd | openttd | 0.5.3 | cpe:2.3:a:openttd:openttd:0.5.3:rc3:*:*:*:*:*:* |
| openttd | openttd | 0.6.0 | cpe:2.3:a:openttd:openttd:0.6.0:*:*:*:*:*:*:* |
| openttd | openttd | 0.6.0 | cpe:2.3:a:openttd:openttd:0.6.0:beta1:*:*:*:*:*:* |
| openttd | openttd | 0.6.0 | cpe:2.3:a:openttd:openttd:0.6.0:beta2:*:*:*:*:*:* |
| openttd | openttd | 0.6.0 | cpe:2.3:a:openttd:openttd:0.6.0:beta3:*:*:*:*:*:* |
| openttd | openttd | 0.6.0 | cpe:2.3:a:openttd:openttd:0.6.0:beta4:*:*:*:*:*:* |
| openttd | openttd | 0.6.0 | cpe:2.3:a:openttd:openttd:0.6.0:beta5:*:*:*:*:*:* |
| openttd | openttd | 0.6.0 | cpe:2.3:a:openttd:openttd:0.6.0:rc1:*:*:*:*:*:* |
| openttd | openttd | 0.6.1 | cpe:2.3:a:openttd:openttd:0.6.1:*:*:*:*:*:*:* |
| openttd | openttd | 0.6.1 | cpe:2.3:a:openttd:openttd:0.6.1:rc1:*:*:*:*:*:* |
| openttd | openttd | 0.6.1 | cpe:2.3:a:openttd:openttd:0.6.1:rc2:*:*:*:*:*:* |
| openttd | openttd | 0.6.2 | cpe:2.3:a:openttd:openttd:0.6.2:rc1:*:*:*:*:*:* |
| openttd | openttd | 0.6.2 | cpe:2.3:a:openttd:openttd:0.6.2:rc2:*:*:*:*:*:* |
| openttd | openttd | 0.7.4 | cpe:2.3:a:openttd:openttd:0.7.4:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://bugs.openttd.org/task/3754 | |
| http://secunia.com/advisories/39669 | Vendor Advisory |
| http://security.openttd.org/en/CVE-2010-0401 | Vendor Advisory |