Metasoft 美特软件 MetaCRM upload.jsp unrestricted upload

published 2026-06-01 5 mo ago modified 2026-07-22 3 mo ago also EUVD-2026-33527

cvss: 6.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 10%
public exploits: 0; none known

A security vulnerability has been detected in Metasoft 美特软件 MetaCRM 6.4.0. The impacted element is an unknown function of the file develop/systparam/softlogo/upload.jsp. Such manipulation leads to unrestricted upload. The attack may be launched remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 5 mo ago (2026-06-01)

Exploit prediction

0.20% chance of exploitation in the next 30 days, higher than 10% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

ucn9h68n9289.feishu.cn https://ucn9h68n9289.feishu.cn/docx/If1EdqoFqoUJ0FxHj06cZnUOngc?from=from_copylink referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	5.3	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
CNA	3.1	6.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
CNA	3.0	6.3	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
CNA	2.0	6.5	AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR
CNA	4.0	2.1	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CNA	3.1	6.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CNA	2.0	6.5	AV:N/AC:L/Au:S/C:P/I:P/A:P

Affected products

Metasoft 美特软件 MetaCRM

Classification

Weakness

CWE-434 Unrestricted Upload of File with Dangerous Type
CWE-284 Improper Access Control

References

ucn9h68n9289.feishu.cn /docx/If1EdqoFqoUJ0FxHj06cZnUOngc?from=from_copylink
exploit
vuldb.com /vuln/367485
vdb-entry
vuldb.com /vuln/367485/cti
signature, permissions-required
vuldb.com /cve/CVE-2026-10205
third-party-advisory
vuldb.com /submit/821715
third-party-advisory

Sources

CVE List CVE-2026-10205
NVD CVE-2026-10205

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary