CVE-2012-3436

Exp

OpenTTD 0.6.0 through 1.2.1 does not properly validate requests to clear a water tile, which allows remote attackers to cause a denial of service (NULL pointer dereference and server crash) via a certain sequence of steps related to "the water/coast aspect of tiles which also have railtracks on one half."

Published: 2012-10-09 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2012-3436 is rated High Exploit Risk (66.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 3.38%). 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.04% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

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

Public exploit references (Exploit-DB) for CVE-2012-3436

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2012-3436

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 2.34% 3.38% +1.04%
2 2025-03-30 3.78% 2.34% -1.44%
3 2025-03-29 — 3.78% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-3436

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P 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:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2012-3436

OS Trackers for CVE-2012-3436

vendor priority summary link
debian low CVE-2012-3436 low 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-2012-3436
ubuntu medium CVE-2012-3436 medium priority: Ubuntu including 1 source packages (openttd), 16 status rows across 16 suites (hardy, lucid, natty, oneiric, precise, quantal, raring, saucy, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): not-affected 8, ignored 6, DNE 1, released 1. https://ubuntu.com/security/CVE-2012-3436

Affected software / configurations for CVE-2012-3436

Vendor Product Version Raw CPE
openttd openttd 0.6.0 cpe:2.3:a:openttd:openttd:0.6.0:*:*:*:*:*:*:*
openttd openttd 0.6.1 cpe:2.3:a:openttd:openttd:0.6.1:*:*:*:*:*:*:*
openttd openttd 0.6.2 cpe:2.3:a:openttd:openttd:0.6.2:*:*:*:*:*:*:*
openttd openttd 0.6.3 cpe:2.3:a:openttd:openttd:0.6.3:*:*:*:*:*:*:*
openttd openttd 0.7.0 cpe:2.3:a:openttd:openttd:0.7.0:*:*:*:*:*:*:*
openttd openttd 0.7.1 cpe:2.3:a:openttd:openttd:0.7.1:*:*:*:*:*:*:*
openttd openttd 0.7.2 cpe:2.3:a:openttd:openttd:0.7.2:*:*:*:*:*:*:*
openttd openttd 0.7.3 cpe:2.3:a:openttd:openttd:0.7.3:*:*:*:*:*:*:*
openttd openttd 0.7.4 cpe:2.3:a:openttd:openttd:0.7.4:*:*:*:*:*:*:*
openttd openttd 0.7.5 cpe:2.3:a:openttd:openttd:0.7.5:*:*:*:*:*:*:*
openttd openttd 1.0.0 cpe:2.3:a:openttd:openttd:1.0.0:*:*:*:*:*:*:*
openttd openttd 1.0.0 cpe:2.3:a:openttd:openttd:1.0.0:beta1:*:*:*:*:*:*
openttd openttd 1.0.0 cpe:2.3:a:openttd:openttd:1.0.0:beta2:*:*:*:*:*:*
openttd openttd 1.0.0 cpe:2.3:a:openttd:openttd:1.0.0:beta3:*:*:*:*:*:*
openttd openttd 1.0.0 cpe:2.3:a:openttd:openttd:1.0.0:beta4:*:*:*:*:*:*
openttd openttd 1.0.0 cpe:2.3:a:openttd:openttd:1.0.0:rc1:*:*:*:*:*:*
openttd openttd 1.0.0 cpe:2.3:a:openttd:openttd:1.0.0:rc2:*:*:*:*:*:*
openttd openttd 1.0.0 cpe:2.3:a:openttd:openttd:1.0.0:rc3:*:*:*:*:*:*
openttd openttd 1.0.1 cpe:2.3:a:openttd:openttd:1.0.1:*:*:*:*:*:*:*
openttd openttd 1.0.1 cpe:2.3:a:openttd:openttd:1.0.1:rc1:*:*:*:*:*:*
openttd openttd 1.0.1 cpe:2.3:a:openttd:openttd:1.0.1:rc2:*:*:*:*:*:*
openttd openttd 1.0.2 cpe:2.3:a:openttd:openttd:1.0.2:*:*:*:*:*:*:*
openttd openttd 1.0.2 cpe:2.3:a:openttd:openttd:1.0.2:rc1:*:*:*:*:*:*
openttd openttd 1.0.3 cpe:2.3:a:openttd:openttd:1.0.3:*:*:*:*:*:*:*
openttd openttd 1.0.3 cpe:2.3:a:openttd:openttd:1.0.3:rc1:*:*:*:*:*:*
openttd openttd 1.0.4 cpe:2.3:a:openttd:openttd:1.0.4:*:*:*:*:*:*:*
openttd openttd 1.0.4 cpe:2.3:a:openttd:openttd:1.0.4:rc1:*:*:*:*:*:*
openttd openttd 1.0.5 cpe:2.3:a:openttd:openttd:1.0.5:*:*:*:*:*:*:*
openttd openttd 1.0.5 cpe:2.3:a:openttd:openttd:1.0.5:rc1:*:*:*:*:*:*
openttd openttd 1.0.5 cpe:2.3:a:openttd:openttd:1.0.5:rc2:*:*:*:*:*:*
openttd openttd 1.1.0 cpe:2.3:a:openttd:openttd:1.1.0:*:*:*:*:*:*:*
openttd openttd 1.1.1 cpe:2.3:a:openttd:openttd:1.1.1:*:*:*:*:*:*:*
openttd openttd 1.1.2 cpe:2.3:a:openttd:openttd:1.1.2:*:*:*:*:*:*:*
openttd openttd 1.1.3 cpe:2.3:a:openttd:openttd:1.1.3:*:*:*:*:*:*:*
openttd openttd 1.1.4 cpe:2.3:a:openttd:openttd:1.1.4:*:*:*:*:*:*:*
openttd openttd 1.1.5 cpe:2.3:a:openttd:openttd:1.1.5:*:*:*:*:*:*:*
openttd openttd 1.2.0 cpe:2.3:a:openttd:openttd:1.2.0:*:*:*:*:*:*:*
openttd openttd 1.2.1 cpe:2.3:a:openttd:openttd:1.2.1:*:*:*:*:*:*:*

References for CVE-2012-3436

cvelogic Threat Intelligence