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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2023-39416

21
FAUCET Score

CVE-2023-39416 is a critical OS command injection vulnerability affecting Proself Enterprise/Standard Edition versions 5.61 and earlier, Proself Gateway Edition versions 1.62 and earlier, and Proself Mail Sanitize Edition versions 1.07 and earlier. An authenticated attacker with administrative privileges can remotely execute arbitrary OS commands, leading to high impact on confidentiality, integrity, and availability. With a CVSS score of 7.2 (High), this vulnerability is network-exploitable with low attack complexity. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion, and it is not listed in CISA's KEV catalog.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.07CPE matchmatch criteria
cpe:2.3:a:northgrid:proself:*:*:*:*:mail_sanitize:*:*:*
<= 1.62CPE matchmatch criteria
cpe:2.3:a:northgrid:proself:*:*:*:*:gateway:*:*:*
<= 5.61CPE matchmatch criteria
cpe:2.3:a:northgrid:proself:*:*:*:*:enterprise:*:*:*
<= 5.61CPE matchmatch criteria
cpe:2.3:a:northgrid:proself:*:*:*:*:standard:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.2HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.2
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.87%
Probability of exploitation in next 30 days
EPSS Percentile
55.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0087 is in the 38th percentile among its peer group of 5,531 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.3 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

jvn.jp / en/jp/JVN19661362
Third Party Advisory
proself.jp / information/149
Vendor Advisory
proself.jp / information/150
Vendor Advisory