CVE-2020-29597

CRITICALNVD 9.89.8—Elevated

9.8

IncomCMS 2.0 has a modules/uploader/showcase/script.php insecure file upload vulnerability. This vulnerability allows unauthenticated attackers to upload files into the server.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 99.4%
KEV: Not listed

Published

December 7, 2020

Last Modified

November 21, 2024

References (6)

cve@mitrehttp://packetstormsecurity.com/files/160784/Incom-CMS-2.0-File-Upload.html
cve@mitrehttps://github.com/M4DM0e/m4dm0e.github.io/blob/gh-pages/_posts/2020-12-07-incom-insecure-up.md
cve@mitrehttps://m4dm0e.github.io/2020/12/07/incom-insecure-up.html
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/160784/Incom-CMS-2.0-File-Upload.html
af854a3a-2127-422b-91ae-364da2661108https://github.com/M4DM0e/m4dm0e.github.io/blob/gh-pages/_posts/2020-12-07-incom-insecure-up.md
af854a3a-2127-422b-91ae-364da2661108https://m4dm0e.github.io/2020/12/07/incom-insecure-up.html

Weakness Classification(1)

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

CWE-434Unrestricted Upload of File with Dangerous Type

Data Freshness Timeline

(refreshed 6× in last 7d / 12× 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.

2026-06-04 13:10 UTCepss_batch
2026-06-04 13:10 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-23 04:39 UTCEG score recompute
2026-05-23 04:39 UTCGHSA enrichment

Publicly available exploits

(2 references)

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

Exploit-DBEDB-49351
First seen Jan 5, 2021
IncomCMS 2.0 - Insecure File Upload
Open source ↗
Nucleihttp/cves/2020/CVE-2020-29597.yaml
First seen Jan 1, 2020
IncomCMS 2.0 - Arbitrary File Upload
Open source ↗

Frequently asked(5)

What is CVE-2020-29597?

CVE-2020-29597 is a critical vulnerability published on December 7, 2020. IncomCMS 2.0 has a modules/uploader/showcase/script.php insecure file upload vulnerability. This vulnerability allows unauthenticated attackers to upload files into the server.

When was CVE-2020-29597 disclosed?

CVE-2020-29597 was first published in the National Vulnerability Database on December 7, 2020, 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-2020-29597 actively exploited?

CVE-2020-29597 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-29597?

CVE-2020-29597 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2020-29597?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-29597, 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-2020-29597

Explore →

Is Your Infrastructure Affected by CVE-2020-29597?

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

Start Free Scan →Browse All CVEs

CVE-2020-29597

📅 Published

🔄 Last Modified

🔗 References (6)

Weakness Classification(1)

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2020-29597?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (6)

Frequently asked(5)

Related CVEs(same CWE)