CVE-2023-0297

CRITICALNVD 9.89.8—Weaponized

9.8

Code Injection in GitHub repository pyload/pyload prior to 0.5.0b3.dev31.

CVSS v3: 9.8
EG Score: 9.8(high)
EPSS: 99.8%
KEV: Not listed

Published

January 14, 2023

Last Modified

November 21, 2024

References (8)

security@huntrhttp://packetstormsecurity.com/files/171096/pyLoad-js2py-Python-Execution.html
security@huntrhttp://packetstormsecurity.com/files/172914/PyLoad-0.5.0-Remote-Code-Execution.html
security@huntrhttps://github.com/pyload/pyload/commit/7d73ba7919e594d783b3411d7ddb87885aea782d
security@huntrhttps://huntr.dev/bounties/3fd606f7-83e1-4265-b083-2e1889a05e65
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/171096/pyLoad-js2py-Python-Execution.html
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/172914/PyLoad-0.5.0-Remote-Code-Execution.html
af854a3a-2127-422b-91ae-364da2661108https://github.com/pyload/pyload/commit/7d73ba7919e594d783b3411d7ddb87885aea782d
af854a3a-2127-422b-91ae-364da2661108https://huntr.dev/bounties/3fd606f7-83e1-4265-b083-2e1889a05e65

Affected Packages

(1 across 1 ecosystem)

PyPI(1)

Package	Vulnerable range	Fixed in	Dependents
pyload-ng	0.5.0a5.dev528 ... 0.5.0b3.dev30 (46 versions)	0.5.0b3.dev31	—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-94Improper Control of Generation of Code (Code Injection)

Data Freshness Timeline

(refreshed 1× in last 7d / 3× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-29 13:43 UTCepss_batch
2026-05-25 08:37 UTCEG score recompute
2026-05-24 17:12 UTCOSV refresh

Publicly available exploits

(5 references)

Working exploit code is in the public domain (1 Metasploit module) (2 GitHub PoCs) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-51532✓ verified
First seen Jun 14, 2023
PyLoad 0.5.0 - Pre-auth Remote Code Execution (RCE)
Open source ↗
GitHub PoCSmall-ears/CVE-2023-0297
First seen Feb 15, 2023
poc
Open source ↗
Metasploitexploit/linux/http/pyload_js2py_exec✓ verified
First seen Jan 13, 2023
pyLoad js2py Python Execution
Open source ↗
GitHub PoCbAuh0lz/CVE-2023-0297_Pre-auth_RCE_in_pyLoad
First seen Jan 9, 2023
CVE-2023-0297: The Story of Finding Pre-auth RCE in pyLoad
Open source ↗
Nucleihttp/cves/2023/CVE-2023-0297.yaml
First seen Jan 1, 2023
PyLoad 0.5.0 - Pre-auth Remote Code Execution (RCE)
Open source ↗

Frequently asked(5)

What is CVE-2023-0297?

CVE-2023-0297 is a critical vulnerability published on January 14, 2023. Code Injection in GitHub repository pyload/pyload prior to 0.5.0b3.dev31.

When was CVE-2023-0297 disclosed?

CVE-2023-0297 was first published in the National Vulnerability Database on January 14, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-0297 actively exploited?

CVE-2023-0297 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-0297?

CVE-2023-0297 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2023-0297?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-0297, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2023-0297

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CVE-2023-0297

📅 Published

🔄 Last Modified

🔗 References (8)