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CVE-2020-5632

20
FAUCET Score

CVE-2020-5632 is a high-severity vulnerability affecting NEC InfoCage SiteShell series products, including various versions for IIS and Apache Windows. Authenticated attackers can exploit this flaw by uploading specially crafted executable files to bypass access restrictions and achieve arbitrary code execution with elevated privileges. The vulnerability has a CVSS score of 7.8, indicating a high impact on confidentiality, integrity, and availability, with a local attack vector and low attack complexity. Despite its severity, there is no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.0.0.6CPE matchmatch criteria
cpe:2.3:a:nec:infocage_siteshell:*:*:*:*:*:apache_windows:*:*
>= 2.0.0.0, < 2.0.0.6CPE matchmatch criteria
cpe:2.3:a:nec:infocage_siteshell:*:*:*:*:*:iis:*:*
>= 2.1.0.0, < 2.1.0.7CPE matchmatch criteria
cpe:2.3:a:nec:infocage_siteshell:*:*:*:*:*:apache_windows:*:*
>= 2.1.0.0, < 2.1.0.7CPE matchmatch criteria
cpe:2.3:a:nec:infocage_siteshell:*:*:*:*:*:iis:*:*
>= 2.1.1.0, < 2.1.1.6CPE matchmatch criteria
cpe:2.3:a:nec:infocage_siteshell:*:*:*:*:*:apache_windows:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.40%
Probability of exploitation in next 30 days
EPSS Percentile
32.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0040 is in the 72nd percentile among its peer group of 17,070 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

jpn.nec.com / infocage/siteshell/everyone_20200918.html
Vendor Advisory
jvn.jp / en/jp/JVN07426151/index.html
Third Party Advisory