CVE-2004-1220: Battlefield 1942 1.6.19 and earlier, and Battlefield Vietnam 1.2 and earlier, allows a remote master server to

Q: How do I fix CVE-2004-1220?

battlefield 1942: downgrade or apply the listed mitigation; battlefield vietnam: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Q: Is CVE-2004-1220 being exploited?

CVE-2004-1220 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2004-1220 affect?

CVE-2004-1220 affects battlefield 1942, battlefield vietnam. Severity is medium (CVSS 5.0). Battlefield 1942 1.6.19 and earlier, and Battlefield Vietnam 1.2 and earlier, allows a remote master server to cause a denial of service (client crash) via a server reply that contains a large numplayers value, which triggers a null derefer

Q: How urgent is CVE-2004-1220?

Priority 45/100. Public exploit reference

This month

MEDIUM 5.0DOWNGRADEDOWNGRADE

CVE-2004-1220 is a medium-severity flaw (CVSS 5.0) affecting battlefield 1942, battlefield vietnam. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Battlefield 1942 1.6.19 and earlier, and Battlefield Vietnam 1.2 and earlier, allows a remote master server to cause a denial of service (client crash) via a server reply that contains a large numplayers value, which triggers a null dereference.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	3.3% (top 12%)
CISA exploited list	No
Published	2005-01-10
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: digital illusions

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2005-01-10 05:00 UTCPublished CVE record published
2026-06-16 22:07 UTCUpdated Record last modified

digital illusions battlefield 1942 DOWNGRADE

Affected: 1.6.19

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.6.19

1. Check installed version

apt-cache policy battlefield-1942 || rpm -q battlefield-1942 || battlefield-1942 --version

2. No fixed release: DOWNGRADE to a release before 1.6.19 (Debian / Ubuntu)

apt-cache madison battlefield-1942 sudo apt install battlefield-1942=<VERSION_BEFORE_1.6.19> sudo apt-mark hold battlefield-1942

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list battlefield-1942 sudo dnf downgrade battlefield-1942-<VERSION_BEFORE_1.6.19> sudo dnf versionlock add battlefield-1942

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

digital illusions battlefield vietnam DOWNGRADE

Affected: 1.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.2

1. Check installed version

apt-cache policy battlefield-vietnam || rpm -q battlefield-vietnam || battlefield-vietnam --version

2. No fixed release: DOWNGRADE to a release before 1.2 (Debian / Ubuntu)

apt-cache madison battlefield-vietnam sudo apt install battlefield-vietnam=<VERSION_BEFORE_1.2> sudo apt-mark hold battlefield-vietnam

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list battlefield-vietnam sudo dnf downgrade battlefield-vietnam-<VERSION_BEFORE_1.2> sudo dnf versionlock add battlefield-vietnam

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: Battlefield 1942 1.6.19 + Vietnam 1.2 - Broadcast Client Crash
Exploit-DB: Battlefield (BFCC < 1.22_A /BFVCC < 2.14_B / BF2CC) - Authentication Bypass / Password Stealer / Denial of Service

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2004-1220?

battlefield 1942: downgrade or apply the listed mitigation; battlefield vietnam: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2004-1220 being exploited?

CVE-2004-1220 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2004-1220 affect?

CVE-2004-1220 affects battlefield 1942, battlefield vietnam. Severity is medium (CVSS 5.0). Battlefield 1942 1.6.19 and earlier, and Battlefield Vietnam 1.2 and earlier, allows a remote master server to cause a denial of service (client crash) via a server reply that contains a large numplayers value, which triggers a null derefer

How urgent is CVE-2004-1220?

Priority 45/100. Public exploit reference

Related CVEs

CVE-2003-1355 HIGH 7.5 DOWNGRADE Buffer overflow in the remote console (rcon) in Battlefield 1942 1.2 and 1.3 allows remote attackers to cause

References

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