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CVE-2023-0956

21
FAUCET Score

CVE-2023-0956 is a path traversal vulnerability affecting the TEL-STER TelWin SCADA WebInterface, allowing an unauthenticated attacker to read arbitrary files on the system. With a CVSS score of 7.5 (High), this vulnerability is easily exploitable over the network with low attack complexity and no user interaction required, leading to a high impact on confidentiality. While no public exploits or active exploitation have been observed, and community discussion is minimal, the potential for unauthorized data access remains significant.

Impacted Technologies

VendorProductVersion(s)CPE
>= 3.2, < 6.2CPE matchmatch criteria
cpe:2.3:a:tel-ster:telwin_scada_webinterface:*:*:*:*:*:*:*:*
>= 7.0, < 7.2CPE matchmatch criteria
cpe:2.3:a:tel-ster:telwin_scada_webinterface:*:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:a:tel-ster:telwin_scada_webinterface:8.0:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:a:tel-ster:telwin_scada_webinterface:9.0:*:*:*:*:*:*:*
>= 3.2, <= 6.1CPE match
cpe:2.3:a:tel-ster:telwin_scada_webinterface:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.79%
Probability of exploitation in next 30 days
EPSS Percentile
52.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0079 is in the 28th percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

cert.pl / posts/2023/07/CVE-2023-0956
Third Party Advisory
cisa.gov / news-events/ics-advisories/icsa-23-215-03
Third Party AdvisoryUS Government Resource
tel-ster.pl / index.php/telwin-scada/nowosci/372-telwin-scada-podatnosc-cve-2023-0956
Vendor Advisory