CVE-2003-1405: DotBr 0.1 allows remote attackers to execute arbitrary shell commands via the cmd parameter to (1) exec.php3 o

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HIGH 7.5DOWNGRADE

CVE-2003-1405 is a high-severity flaw (CVSS 7.5) affecting botbr. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

DotBr 0.1 allows remote attackers to execute arbitrary shell commands via the cmd parameter to (1) exec.php3 or (2) system.php3.

Why this priority

High severity
EPSS top 10%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	4.0% (top 10%)
CISA exploited list	No
Weakness	CWE-20
Published	2003-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: dotbr

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

Am I affected?

Timeline

2003-12-31 05:00 UTCPublished CVE record published
2026-06-16 22:04 UTCUpdated Record last modified

dotbr botbr DOWNGRADE

Affected: 0.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.1

1. Check installed version

apt-cache policy botbr || rpm -q botbr || botbr --version

2. No fixed release: DOWNGRADE to a release before 0.1 (Debian / Ubuntu)

apt-cache madison botbr sudo apt install botbr=<VERSION_BEFORE_0.1> sudo apt-mark hold botbr

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

dnf --showduplicates list botbr sudo dnf downgrade botbr-<VERSION_BEFORE_0.1> sudo dnf versionlock add botbr

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: DotBr 0.1 - 'Exec.php3' Remote Command Execution
Exploit-DB: DotBr 0.1 - 'System.php3' Remote Command Execution

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-2003-1405?

botbr: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2003-1405 being exploited?

CVE-2003-1405 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-2003-1405 affect?

CVE-2003-1405 affects botbr. Severity is high (CVSS 7.5). DotBr 0.1 allows remote attackers to execute arbitrary shell commands via the cmd parameter to (1) exec.php3 or (2) system.php3.

How urgent is CVE-2003-1405?

Priority 54/100. High severity; EPSS top 10%: very likely to be exploited; Public exploit reference

Related CVEs

CVE-2003-1404 HIGH 7.5 DOWNGRADE DotBr 0.1 stores config.inc with insufficient access control under the web document root, which allows remote
CVE-2003-1403 HIGH 7.5 DOWNGRADE foo.php3 in DotBr 0.1 allows remote attackers to obtain sensitive information via a direct request, which call

References

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