01 Record
CVE-2023-43505
A vulnerability has been identified in COMOS (All versions). The affected application lacks proper access controls in SMB shares. This could allow an attacker to access files that the user should not
CriticalPUBLISHEDCNA: siemens
CNA base score9.6 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N/E:P/RL:O/RC:C
02 Description
A vulnerability has been identified in COMOS (All versions). The affected application lacks proper access controls in SMB shares. This could allow an attacker to access files that the user should not
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 0.61% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 49.4% of scored records. A rank, not a probability.
- NVD base score
- 6.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2023-11-14 11:03Z2 YR AGO
- Last updated
- 2025-01-08 16:18Z1 YR AGO
- Reserved
- 2023-09-19
- Assigning CNA
- siemens
- Record state
- PUBLISHED
- Severity
- Critical (CVSS 9.6)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N/E:P/RL:O/RC:C
- Weaknesses
- CWE-284Improper Access ControlPillar
- Data version
- 5.1
- Document digest
- 7bfbf6d7d2367ca0ce3581ada3f041be2bdf85da6f98b73c196a795f952812fd
05 Affected products
VendorProductVersionsPlatforms
06 References
- cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/pdf/ssa-137900.pdf