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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2023-48427

24
FAUCET Score

CVE-2023-48427 is a critical vulnerability affecting all versions of Siemens SINEC INS prior to V1.0 SP2 Update 2. The flaw stems from improper validation of the UMC server certificate, enabling a network attacker to intercept credentials and manipulate responses. With a CVSS score of 9.8, this vulnerability presents a high risk of privilege escalation, requiring no user interaction or complex attack conditions. Despite its severity, there is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.0CPE matchmatch criteria
cpe:2.3:a:siemens:sinec_ins:*:*:*:*:*:*:*:*
1.0CPE matchmatch criteria
cpe:2.3:a:siemens:sinec_ins:1.0:-:*:*:*:*:*:*
1.0CPE matchmatch criteria
cpe:2.3:a:siemens:sinec_ins:1.0:sp1:*:*:*:*:*:*
1.0CPE matchmatch criteria
cpe:2.3:a:siemens:sinec_ins:1.0:sp2:*:*:*:*:*:*
1.0CPE matchmatch criteria
cpe:2.3:a:siemens:sinec_ins:1.0:sp2_update_1:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.1HIGH

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.2
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.38%
Probability of exploitation in next 30 days
EPSS Percentile
30.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0038 is in the 8th percentile among its peer group of 36,897 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, 0.3 Bluesky, 0.3 Mastodon, and 2.4 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

cert-portal.siemens.com / productcert/pdf/ssa-077170.pdf
PatchVendor Advisory