HOMEVULNERABILITIESCVE-2023-27521
HIGH

CVE-2023-27521

CWE-78Published: May 23, 2023· Updated: Jun 17, 2026

8.8
CVSS v3.1

Official Description

OS command injection vulnerability in the mail setting page of SolarView Compact SV-CPT-MC310 versions prior to Ver.8.10 and SV-CPT-MC310F versions prior to Ver.8.10 allows remote authenticated attackers to execute an arbitrary OS command.

NVD Source

Technical Analysis

CVE-2023-27521 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

contec4 product(s)
sv-cpt-mc310f firmwaresv-cpt-mc310fsv-cpt-mc310 firmwaresv-cpt-mc310
Source: NVD CPE · 4 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://jvn.jp/en/vu/JVNVU92106300/
ADVISORYhttps://www.contec.com/jp/api/downloadlogger?download=/-/media/Contec/jp/support/security-info/contec_security_solarview_230508.pdf
ADVISORYhttps://www.contec.com/jp/download/donwload-list/?itemid=b28c8b7c-9f40-40b2-843c-b5b04c035b0e#firmware
ADVISORYhttps://jvn.jp/en/vu/JVNVU92106300/
ADVISORYhttps://www.contec.com/jp/api/downloadlogger?download=/-/media/Contec/jp/support/security-info/contec_security_solarview_230508.pdf
ADVISORYhttps://www.contec.com/jp/download/donwload-list/?itemid=b28c8b7c-9f40-40b2-843c-b5b04c035b0e#firmware

All References (6)

→
https://jvn.jp/en/vu/JVNVU92106300/Third Party Advisory
→
https://www.contec.com/jp/api/downloadlogger?download=/-/media/Contec/jp/support/security-info/contec_security_solarview_230508.pdfVendor Advisory
→
https://www.contec.com/jp/download/donwload-list/?itemid=b28c8b7c-9f40-40b2-843c-b5b04c035b0e#firmwareVendor Advisory
→
https://jvn.jp/en/vu/JVNVU92106300/Third Party Advisory
→
https://www.contec.com/jp/api/downloadlogger?download=/-/media/Contec/jp/support/security-info/contec_security_solarview_230508.pdfVendor Advisory
→
https://www.contec.com/jp/download/donwload-list/?itemid=b28c8b7c-9f40-40b2-843c-b5b04c035b0e#firmwareVendor Advisory

Quick Facts

CVE IDCVE-2023-27521
CVSS Score8.8 / 10
SeverityHIGH
WeaknessCWE-78
CISA KEVNo
Affected1 vendor(s)
PublishedMay 23, 2023

Related CVEs (CWE-78)

CVE-2013-4983
10.0
CVE-2014-3418
10.0
CVE-2023-37903
10.0
CVE-2024-24576
10.0
CVE-2012-2953
10.0
CVE-2001-1583
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2023-27521 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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