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CVE-2023-31483

HIGH
7.5
CVSS Score
Published: April 28, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 05:57 AM UTC
1 product affected across 1 vendorCbang

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Severity
HIGH7.5
Exploit prediction
EPSS 1.0%
SSVC
PoC

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Cbang· Cauldrondevelopment
95%
v < 8.1.17
Affected range stops below 8.1.17, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Patch
Source: [email protected]
https://github.com/CauldronDevelopmentLLC/cbang/compare/bastet-v8.1.16...bastet-v8.1.17
Exploit
Source: [email protected]
https://github.com/CauldronDevelopmentLLC/cbang/issues/115

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-22

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