CVE-2001-0973: BSCW groupware system 3.3 through 4.0.2 beta allows remote attackers to read or modify arbitrary files by uplo

Q: How do I fix CVE-2001-0973?

bscw: upgrade to newer than 4.0.2_beta. Exact commands for each OS are on this page.

Q: Is CVE-2001-0973 being exploited?

CVE-2001-0973 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-2001-0973 affect?

CVE-2001-0973 affects bscw. Severity is medium (CVSS 6.4). BSCW groupware system 3.3 through 4.0.2 beta allows remote attackers to read or modify arbitrary files by uploading and extracting a tar file with a symlink into the data-bag space.

Q: How urgent is CVE-2001-0973?

Priority 43/100. No elevated risk signals yet.

This month

MEDIUM 6.4UPGRADE

CVE-2001-0973 is a medium-severity flaw (CVSS 6.4) affecting bscw. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

BSCW groupware system 3.3 through 4.0.2 beta allows remote attackers to read or modify arbitrary files by uploading and extracting a tar file with a symlink into the data-bag space.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.4 (Medium)
EPSS exploit chance	2.0% (top 19%)
CISA exploited list	No
Published	2001-08-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: fraunhofer fit

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

Am I affected?

Timeline

2001-08-31 04:00 UTCPublished CVE record published
2026-06-16 21:55 UTCUpdated Record last modified

fraunhofer fit bscw UPGRADE

Affected: <= 4.0.2_beta · 3.3 · 3.3.1 · 3.4.1 · 3.4.3 · 4.0.1_beta

Fixed in: newer than 4.0.2_beta

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 4.0.2_beta (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade bscw

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade bscw

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2001-0973?

bscw: upgrade to newer than 4.0.2_beta. Exact commands for each OS are on this page.

Is CVE-2001-0973 being exploited?

CVE-2001-0973 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-2001-0973 affect?

CVE-2001-0973 affects bscw. Severity is medium (CVSS 6.4). BSCW groupware system 3.3 through 4.0.2 beta allows remote attackers to read or modify arbitrary files by uploading and extracting a tar file with a symlink into the data-bag space.

How urgent is CVE-2001-0973?

Priority 43/100. No elevated risk signals yet.

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References

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