Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2021-41769

23
FAUCET Score

CVE-2021-41769 is an improper input validation vulnerability in the web server of numerous Siemens SIPROTEC 5 and SIPROTEC 5 Compact devices across various CPU variants, affecting all versions prior to V8.83. This flaw allows an unauthenticated attacker to access sensitive device information. With a CVSS v3.1 score of 7.5 (HIGH), the vulnerability has a network attack vector and low attack complexity, posing a high risk to confidentiality without impacting integrity or availability. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 8.83CPE matchmatch criteria
cpe:2.3:o:siemens:6md85_firmware:*:*:*:*:*:*:*:*
< 8.83CPE matchmatch criteria
cpe:2.3:o:siemens:6md86_firmware:*:*:*:*:*:*:*:*
< 8.83CPE matchmatch criteria
cpe:2.3:o:siemens:6md89_firmware:*:*:*:*:*:*:*:*
< 8.83CPE matchmatch criteria
cpe:2.3:o:siemens:6mu85_firmware:*:*:*:*:*:*:*:*
< 8.83CPE matchmatch criteria
cpe:2.3:o:siemens:7ke85_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.97%
Probability of exploitation in next 30 days
EPSS Percentile
58.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0097 is in the 33rd percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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

cert-portal.siemens.com / productcert/pdf/ssa-439673.pdf
Vendor Advisory