How severe is CVE-2012-0049?

CVE-2012-0049 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2012-0049 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-0049?

CVE-2012-0049 primarily affects Openttd. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-0049?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2012-0049 published?

CVE-2012-0049 was published on 2019-11-07 and last updated on 2026-06-16.

CVE-2012-0049

CVE-2012-0049 is a medium-severity vulnerability in Openttd with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-400.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.0
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-400
Affected product: Openttd
Published: 2019-11-07
Last modified: 2026-06-16

Description

OpenTTD before 1.1.5 contains a Denial of Service (slow read attack) that prevents users from joining the server.

Frequently asked questions

What is CVE-2012-0049?: OpenTTD before 1.1.5 contains a Denial of Service (slow read attack) that prevents users from joining the server.
How severe is CVE-2012-0049?: CVE-2012-0049 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2012-0049 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-0049?: CVE-2012-0049 primarily affects Openttd. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-0049?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-0049 published?: CVE-2012-0049 was published on 2019-11-07 and last updated on 2026-06-16.

References

Affected products (7)

cpe:2.3:a:openttd:openttd:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:15:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:16:*:*:*:*:*:*:*

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