CVE-2023-0956
TEL-STER TelWin SCADA WebInterface Path Traversal
02 Description
TEL-STER TelWin SCADA WebInterface Path Traversal
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 ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 1.01% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 63.0% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/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
- 2023-08-03 18:08Z3 YR AGO
- Last updated
- 2025-01-16 21:31Z1 YR AGO
- Reserved
- 2023-02-22
- Assigning CNA
- icscert
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.5)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- Weaknesses
- CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')Base
- Data version
- 5.1
- Document digest
- 34ca1886ea77b1daa9f89199e95eba220f2ef1e1e7a08fe3b64c6f68ade52096
05 Affected products
06 References
07 Remediation
TEL-STER recommends that users update WebInterface module https://www.tel-ster.pl/index.php/en/telwin-scada-eng/news-telwin-eng to one of the following versions: 6.2, 7.2, 8.1, 9.1, or 10.0. Please note that the WebInterface is part of the TelWin SCADA software and is usually updated with the software. TEL-STER only currently supports and updates TelWin SCADA 7.8 (WebInteraface 6.x) upwards TEL-STER does not have any updates planned for versions using older vulnerable WebInterface (lower than 6.0), and users are recommended to update TelWin SCADA to one of the supported versions. For more information, please contact TEL-STER. More information about this issue and the associated mitigation can be found at TEL-STER advisory https://www.tel-ster.pl/index.php/telwin-scada/nowosci/372-telwin-scada-podatnosc-cve-2023-0956 or CERT.PL advisory https://cert.pl/posts/2023/07/CVE-2023-0956/ .