CVE-2023-24107: hour_of_code_python_2015 commit 520929797b9ca43bb818b2e8f963fb2025459fa3 was discovered to contain a code exec

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2023-24107 is a critical-severity flaw (CVSS 9.8) affecting hour of code python 2015. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

hour_of_code_python_2015 commit 520929797b9ca43bb818b2e8f963fb2025459fa3 was discovered to contain a code execution backdoor via the request package (requirements.txt). This vulnerability allows attackers to access sensitive user information and execute arbitrary code.

Why this priority

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

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

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.2% (top 32%)
CISA exploited list	No
Weakness	CWE-94
Published	2023-02-22
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: hour of code python 2015 project

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

Am I affected?

Timeline

2023-02-22 04:15 UTCPublished CVE record published
2026-06-17 05:38 UTCUpdated Record last modified

hour of code python 2015 project hour of code python 2015 DOWNGRADE

Affected: 2015-12-11

Fixed in: no fixed release known

Safe to downgrade to: a release before 2015-12-11

1. Check installed version

apt-cache policy hour-of-code-python-2015 || rpm -q hour-of-code-python-2015 || hour-of-code-python-2015 --version

2. No fixed release: DOWNGRADE to a release before 2015-12-11 (Debian / Ubuntu)

apt-cache madison hour-of-code-python-2015 sudo apt install hour-of-code-python-2015=<VERSION_BEFORE_2015-12-11> sudo apt-mark hold hour-of-code-python-2015

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

dnf --showduplicates list hour-of-code-python-2015 sudo dnf downgrade hour-of-code-python-2015-<VERSION_BEFORE_2015-12-11> sudo dnf versionlock add hour-of-code-python-2015

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-2023-24107?

hour of code python 2015: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-24107 being exploited?

CVE-2023-24107 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-2023-24107 affect?

CVE-2023-24107 affects hour of code python 2015. Severity is critical (CVSS 9.8). hour_of_code_python_2015 commit 520929797b9ca43bb818b2e8f963fb2025459fa3 was discovered to contain a code execution backdoor via the request package (requirements.txt). This vulnerability allows attackers to access sensitive user informatio

How urgent is CVE-2023-24107?

Priority 61/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

Python vulnerabilities

References

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