How severe is CVE-2004-1395?

CVE-2004-1395 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2004-1395 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2004-1395?

CVE-2004-1395 primarily affects Monolith Productions Contract Jack. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2004-1395?

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

When was CVE-2004-1395 published?

CVE-2004-1395 was published on 2004-12-31 and last updated on 2026-06-16.

CVE-2004-1395

CVE-2004-1395 is a medium-severity vulnerability in Monolith Productions Contract Jack with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Monolith Productions Contract Jack
Published: 2004-12-31
Last modified: 2026-06-16

Description

The Lithtech engine, as used in (1) Contract Jack 1.1 and earlier, (2) No one lives forever 2 1.3 and earlier, (3) Tron 2.0 1.042 and earlier, (4) F.E.A.R. (First Encounter Assault and Recon), and possibly other games, allows remote attackers to cause a denial of service (connection refused) via a UDP packet that causes recvfrom to generate a return code that causes the listening loop to exit, as demonstrated using zero byte packets or packets between 8193 and 12280 bytes, which result in conditions that are not "Operation would block."

Frequently asked questions

What is CVE-2004-1395?: The Lithtech engine, as used in (1) Contract Jack 1.1 and earlier, (2) No one lives forever 2 1.3 and earlier, (3) Tron 2.0 1.042 and earlier, (4) F.E.A.R. (First Encounter Assault and Recon), and possibly other games, allows remote attackers to cause a denial of service (connection refused) via a UDP packet that causes recvfrom to generate a return code that causes the listening loop to exit, as demonstrated using zero byte packets or packets between 8193 and 12280 bytes, which result in conditions that are not "Operation would block."
How severe is CVE-2004-1395?: CVE-2004-1395 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2004-1395 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-1395?: CVE-2004-1395 primarily affects Monolith Productions Contract Jack. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2004-1395?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2004-1395 published?: CVE-2004-1395 was published on 2004-12-31 and last updated on 2026-06-16.

References

Affected products (5)

cpe:2.3:a:monolith_productions:contract_jack:1.1:*:*:*:*:*:*:*
cpe:2.3:a:monolith_productions:no_one_lives_forever_2:1.0.004:*:*:*:*:*:*:*
cpe:2.3:a:monolith_productions:no_one_lives_forever_2:1.3:*:*:*:*:*:*:*
cpe:2.3:a:monolith_productions:tron:2.0.1.0:*:*:*:*:*:*:*
cpe:2.3:a:monolith_productions:tron:2.0.1.42:*:*:*:*:*:*:*

More vulnerabilities in Monolith Productions Contract Jack

CVE-2004-1500 — Low (CVSS 2.1): Format string vulnerability in the Lithtech engine, as used in multiple games, allows remote authenticated users to…

All CVEs affecting Monolith Productions Contract Jack →