CVE-2002-1512: xbru in BRU Workstation 17.0 allows local users to overwrite arbitrary files and gain root privileges via a sy

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MEDIUM 6.2DOWNGRADE

CVE-2002-1512 is a medium-severity flaw (CVSS 6.2) affecting bru. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

xbru in BRU Workstation 17.0 allows local users to overwrite arbitrary files and gain root privileges via a symlink attack on the xbru_dscheck.dd temporary file.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	6.2 (Medium)
EPSS exploit chance	0.8% (top 44%)
CISA exploited list	No
Published	2003-04-02
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: tolis group

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

Am I affected?

Timeline

2003-04-02 05:00 UTCPublished CVE record published
2026-06-16 21:59 UTCUpdated Record last modified

tolis group bru DOWNGRADE

Affected: 17.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 17.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 17.0 (Debian / Ubuntu)

apt-cache madison bru sudo apt install bru=<VERSION_BEFORE_17.0> sudo apt-mark hold bru

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

dnf --showduplicates list bru sudo dnf downgrade bru-<VERSION_BEFORE_17.0> sudo dnf versionlock add bru

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: BRU 17.0 - XBRU Insecure Temporary File

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-2002-1512?

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

Is CVE-2002-1512 being exploited?

CVE-2002-1512 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-2002-1512 affect?

CVE-2002-1512 affects bru. Severity is medium (CVSS 6.2). xbru in BRU Workstation 17.0 allows local users to overwrite arbitrary files and gain root privileges via a symlink attack on the xbru_dscheck.dd temporary file.

How urgent is CVE-2002-1512?

Priority 41/100. Public exploit reference

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References

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