CVE-2023-29586: Code Sector TeraCopy 3.9.7 does not perform proper access validation on the source folder during a copy operat

Routine

MEDIUM 5.5DOWNGRADE

CVE-2023-29586 is a medium-severity flaw (CVSS 5.5) affecting teracopy. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Code Sector TeraCopy 3.9.7 does not perform proper access validation on the source folder during a copy operation. This leads to Arbitrary File Read by allowing any user to copy any directory in the system to a directory they control. NOTE: the Supplier disputes this because only admin users can copy arbitrary folders, and because the 143984 reference is about a different concern (unrelated to directory copying) that was fixed in 3.5b.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 75%)
CISA exploited list	No
Weakness	CWE-284
Published	2023-04-19
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: codesector

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

Am I affected?

Timeline

2023-04-19 15:15 UTCPublished CVE record published
2026-06-17 05:50 UTCUpdated Record last modified

codesector teracopy DOWNGRADE

Affected: 3.9.7

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.9.7

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 3.9.7 (Debian / Ubuntu)

apt-cache madison teracopy sudo apt install teracopy=<VERSION_BEFORE_3.9.7> sudo apt-mark hold teracopy

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

dnf --showduplicates list teracopy sudo dnf downgrade teracopy-<VERSION_BEFORE_3.9.7> sudo dnf versionlock add teracopy

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.

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-2023-29586?

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

Is CVE-2023-29586 being exploited?

CVE-2023-29586 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-2023-29586 affect?

CVE-2023-29586 affects teracopy. Severity is medium (CVSS 5.5). Code Sector TeraCopy 3.9.7 does not perform proper access validation on the source folder during a copy operation. This leads to Arbitrary File Read by allowing any user to copy any directory in the system to a directory they control. NOTE:

How urgent is CVE-2023-29586?

Priority 25/100. No elevated risk signals yet.

Related CVEs

CVE-2022-27438 HIGH 8.1 UPGRADE DOWNGRADE Caphyon Ltd Advanced Installer 19.3 and earlier and many products that use the updater from Advanced Installer

References

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