CVE-2020-10045: siemens ag sicam mmu Authentication Bypass by Capture-replay
CVSS: 8.8v3.1HighModified
Published 14-07-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-10045 is a high (CVSS 8.8) Authentication Bypass by Capture-replay vulnerability in siemens ag sicam mmu. EPSS estimates a 1.07% chance of exploitation in the next 30 days, higher than 64.2% of scored vulnerabilities.
CVSS score
8.8/10
010
High · v3.1 (NVD)EPSS score
1.07%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 14-07-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
A vulnerability has been identified in SICAM MMU (All versions < V2.05), SICAM SGU (All versions), SICAM T (All versions < V2.18). An error in the challenge-response procedure could allow an attacker to replay authentication traffic and gain access to protected areas of the web application.
CVSS metrics
2 scores · 1 source · 2 versionsHigh 8.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesSingle source
Medium 6.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
1.07%
Chance of exploitation in the next 30 days
Percentile
64%
Versus all other CVEs
30-day change
0.00 pp
From 1.07% on 19-09-2026
19-09-202619-10-2026
EPSS score1.07%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Siemens3 products
- sicam_mmu_firmware< 2.05
- sicam_sgu_firmwarena
- sicam_t_firmware< 2.18
2 vendors · 6 products