CVE-2024-45257

HIGHNVD 7.37.3—Weaponized

7.3

A Command Injection issue in the payload build page in BYOB (Build Your Own Botnet) 2.0 allows attackers to execute arbitrary commands on the server via a crafted build parameter. This occurs in freeze in core/generators.py.

CVSS v3: 7.3
EG Score: 7.3(high)
EPSS: 98.3%
KEV: Not listed

Published

May 8, 2026

Last Modified

May 8, 2026

Advisory Details (2)

Auto-updated May 8, 2026

No patch confirmed yet.

generic

https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/unix/webapp/byob_unauth_rce.rb

generic

GitHub - malwaredllc/byob: An open-source post-exploitation framework for students, researchers and developers. · GitHub

https://github.com/malwaredllc/byob

Weakness Classification(1)

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

CWE-77Command Injection

Data Freshness Timeline

(refreshed 5× in last 7d / 20× 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.

2026-05-31 00:16 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
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2026-05-22 21:16 UTCepss_batch
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2026-05-22 21:16 UTCepss_batch
2026-05-21 22:42 UTCepss_batch
2026-05-20 22:37 UTCepss_batch
2026-05-20 22:37 UTCepss_batch
2026-05-20 22:37 UTCepss_batch
2026-05-20 22:37 UTCepss_batch
2026-05-20 13:47 UTCEG score recompute
2026-05-20 13:47 UTCGHSA enrichment
2026-05-20 11:21 UTCepss_batch
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2026-05-20 11:21 UTCepss_batch
2026-05-20 11:21 UTCepss_batch

Publicly available exploits

(1 reference)

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

Metasploitexploit/unix/webapp/byob_unauth_rce✓ verified
First seen Aug 15, 2024
BYOB Unauthenticated RCE via Arbitrary File Write and Command Injection (CVE-2024-45256, CVE-2024-45257)
Open source ↗

Frequently asked(5)

What is CVE-2024-45257?

CVE-2024-45257 is a high vulnerability published on May 8, 2026. A Command Injection issue in the payload build page in BYOB (Build Your Own Botnet) 2.0 allows attackers to execute arbitrary commands on the server via a crafted build parameter. This occurs in freeze in core/generators.py.

When was CVE-2024-45257 disclosed?

CVE-2024-45257 was first published in the National Vulnerability Database on May 8, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2024-45257 actively exploited?

CVE-2024-45257 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 98.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2024-45257?

CVE-2024-45257 has a CVSS v3 base score of 7.3 (NVD).

How do I remediate CVE-2024-45257?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-45257, 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-2024-45257

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CVE-2024-45257

📅 Published

🔄 Last Modified

📋 Advisory Details (2)