Skip to content
Fencer Vulns
high 7.5

CVE-2023-0956 json

TEL-STER TelWin SCADA WebInterface Path Traversal

published 2023-08-03 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-12941

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 63%
public exploits
0
none known

Summary

External input could be used on TEL-STER TelWin SCADA WebInterface to construct paths to files and directories without properly neutralizing special elements within the pathname, which could allow an unauthenticated attacker to read files on the system.

Patch / fix

  • tel-ster telwin_scada_webinterface 6.2, 7.2

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-23-215-03 updated cvss 7.5

TEL-STER TelWin SCADA WebInterface

  • TEL-STER Sp. z o. o. TelWin SCADA WebInterface >= 3.2, < 6.1, >= 7.0, < 7.1, 8.0, 9.0
    affected: mitigation “More information about this issue and the associated mitigation can be found at TEL-STER advisory.” tel-ster.pl

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
21 mo ago

Exploit prediction

1.02% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

  • TEL-STER TelWin SCADA WebInterface

Classification

Weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.