9.8

CVE-2021-27389: siemens opcenter_quality Use of Hard-coded Cryptographic Key

CVSS: 9.8v3.1CriticalModified
Published 22-04-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-27389 is a critical (CVSS 9.8) Use of Hard-coded Cryptographic Key vulnerability in siemens opcenter_quality. EPSS estimates a 1.03% chance of exploitation in the next 30 days, higher than 63.1% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
1.03%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 22-04-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

A vulnerability has been identified in Opcenter Quality (All versions < V12.2), QMS Automotive (All versions < V12.30). A private sign key is shipped with the product without adequate protection.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.03%

Chance of exploitation in the next 30 days

Percentile

63%

Versus all other CVEs

30-day change

0.00 pp

From 1.03% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.03%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Siemens2 products

1 vendor · 2 products

References

1 links