CVE-2024-53303

HIGHNVD 8.88.8—Elevated

8.8

A remote code execution (RCE) vulnerability in the upload_file function of LRQA Nettitude PoshC2 after commit 123db87 allows authenticated attackers to execute arbitrary code via a crafted POST request.

CVSS v3: 8.8
EG Score: 8.8(medium)
EPSS: 81.3%
KEV: Not listed

Published

April 16, 2025

Last Modified

April 15, 2026

Advisory Details (1)

Auto-updated May 21, 2026

No patch confirmed yet.

generic

poshc2.py · GitHub

https://gist.github.com/fern89/3464e8428d7675e4f0f390a6b2b2842e

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 14× in last 7d / 20× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-08 14:16 UTCEPSS rescore
2026-06-08 14:16 UTCEPSS rescore
2026-06-07 15:24 UTCEPSS rescore
2026-06-07 15:24 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-05 22:46 UTCEPSS rescore
2026-06-05 22:46 UTCEPSS rescore
2026-06-05 06:09 UTCEPSS rescore
2026-06-05 06:09 UTCEPSS rescore
2026-06-04 13:11 UTCEPSS rescore
2026-06-04 13:11 UTCEPSS rescore
2026-06-02 20:12 UTCEPSS rescore
2026-06-02 20:12 UTCEPSS rescore
2026-06-01 13:51 UTCEPSS rescore
2026-06-01 13:51 UTCEPSS rescore
2026-06-01 13:51 UTCEPSS rescore
2026-05-31 22:30 UTCEPSS rescore
2026-05-31 22:30 UTCEPSS rescore
2026-05-31 00:16 UTCEPSS rescore

Frequently asked(5)

What is CVE-2024-53303?

CVE-2024-53303 is a high vulnerability published on April 16, 2025. A remote code execution (RCE) vulnerability in the upload_file function of LRQA Nettitude PoshC2 after commit 123db87 allows authenticated attackers to execute arbitrary code via a crafted POST request.

When was CVE-2024-53303 disclosed?

CVE-2024-53303 was first published in the National Vulnerability Database on April 16, 2025, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2024-53303 actively exploited?

CVE-2024-53303 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 81.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2024-53303?

CVE-2024-53303 has a CVSS v3 base score of 8.8 (NVD).

How do I remediate CVE-2024-53303?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-53303, 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-2024-53303

Explore →

Is Your Infrastructure Affected by CVE-2024-53303?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs

CVE-2024-53303

📅 Published

🔄 Last Modified

📋 Advisory Details (1)

poshc2.py · GitHub

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2024-53303?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

Advisory Details (1)

Frequently asked(5)

Related CVEs(same CWE)