CVE-2023-31483: tar/TarFileReader.cpp in Cauldron cbang before bastet-v8.1.17 has a directory traversal during extraction that

Q: How do I fix CVE-2023-31483?

cbang: upgrade to 8.1.17. Exact commands for each OS are on this page.

Q: Is CVE-2023-31483 being exploited?

CVE-2023-31483 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-2023-31483 affect?

CVE-2023-31483 affects cbang. Severity is high (CVSS 7.5). tar/TarFileReader.cpp in Cauldron cbang before bastet-v8.1.17 has a directory traversal during extraction that allows the attacker to create or write to files outside the current directory via a crafted tar archive.

Q: How urgent is CVE-2023-31483?

Priority 52/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.5REMOTEUPGRADE

CVE-2023-31483 is a high-severity flaw (CVSS 7.5) affecting cbang. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

tar/TarFileReader.cpp in Cauldron cbang before bastet-v8.1.17 has a directory traversal during extraction that allows the attacker to create or write to files outside the current directory via a crafted tar archive.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.0% (top 38%)
CISA exploited list	No
Weakness	CWE-22
Published	2023-04-28
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: cauldrondevelopment

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-04-28 23:15 UTCPublished CVE record published
2026-06-17 05:57 UTCUpdated Record last modified

cauldrondevelopment cbang UPGRADE

Affected: < 8.1.17

Fixed in: 8.1.17

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 8.1.17 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade cbang

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-2023-31483?

cbang: upgrade to 8.1.17. Exact commands for each OS are on this page.

Is CVE-2023-31483 being exploited?

CVE-2023-31483 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-2023-31483 affect?

CVE-2023-31483 affects cbang. Severity is high (CVSS 7.5). tar/TarFileReader.cpp in Cauldron cbang before bastet-v8.1.17 has a directory traversal during extraction that allows the attacker to create or write to files outside the current directory via a crafted tar archive.

How urgent is CVE-2023-31483?

Priority 52/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

References

← Back to latest CVEs