CVE-2020-15101: In freewvs before 0.1.1, a directory structure of more than 1000 nested directories can interrupt a freewvs sc

Q: How do I fix CVE-2020-15101?

freewvs: upgrade to 0.1.1. Exact commands for each OS are on this page.

Q: Is CVE-2020-15101 being exploited?

CVE-2020-15101 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-2020-15101 affect?

CVE-2020-15101 affects freewvs. Severity is low (CVSS 2.8). In freewvs before 0.1.1, a directory structure of more than 1000 nested directories can interrupt a freewvs scan due to Python's recursion limit and os.walk(). This can be problematic in a case where an administrator scans the dirs of poten

Q: How urgent is CVE-2020-15101?

Priority 23/100. No elevated risk signals yet.

Routine

LOW 2.8UPGRADE

CVE-2020-15101 is a low-severity flaw (CVSS 2.8) affecting freewvs. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In freewvs before 0.1.1, a directory structure of more than 1000 nested directories can interrupt a freewvs scan due to Python's recursion limit and os.walk(). This can be problematic in a case where an administrator scans the dirs of potentially untrusted users. This has been patched in 0.1.1.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	2.8 (Low)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.7% (top 47%)
CISA exploited list	No
Weakness	CWE-400, CWE-674
Published	2020-07-14
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: schokokeks

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

Am I affected?

Timeline

2020-07-14 22:15 UTCPublished CVE record published
2026-06-17 02:56 UTCUpdated Record last modified

schokokeks freewvs UPGRADE

Affected: < 0.1.1

Fixed in: 0.1.1

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 0.1.1 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade freewvs

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-2020-15101?

freewvs: upgrade to 0.1.1. Exact commands for each OS are on this page.

Is CVE-2020-15101 being exploited?

CVE-2020-15101 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-2020-15101 affect?

CVE-2020-15101 affects freewvs. Severity is low (CVSS 2.8). In freewvs before 0.1.1, a directory structure of more than 1000 nested directories can interrupt a freewvs scan due to Python's recursion limit and os.walk(). This can be problematic in a case where an administrator scans the dirs of poten

How urgent is CVE-2020-15101?

Priority 23/100. No elevated risk signals yet.

Software pages

Python vulnerabilities

Related CVEs

CVE-2020-15100 LOW 2.8 UPGRADE In freewvs before 0.1.1, a user could create a large file that freewvs will try to read, which will terminate

References

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