ETIC Telecom Remote Access Server (RAS) Cross-site Scripting

published 2025-01-17 21 mo ago modified 2026-06-17 4 mo ago also EUVD-2024-23433

cvss: 4.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 14%
public exploits: 0; none known

All versions of ETIC Telecom Remote Access Server (RAS) prior to 4.5.0 are vulnerable to reflected cross site scripting (XSS) attacks in the method parameter. The ETIC RAS web server uses dynamic pages that gets their input from the client side and reflects the input in its response to the client.

Patch / fix

fixed in 1

ETIC Telecom Remote Access Server (RAS) 4.5.0

Vendor advisories

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

cisa ICSA-22-307-01 updated 2024-12-03 cvss 4.8

ETIC Telecom Remote Access Server (RAS) (Update B)

ETIC Telecom RAS <4.5.0
affected: mitigation “For the installed devices, ETIC Telecom recommends:” etictelecom.com

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: no
Technical impact: partial
Assessed: 21 mo ago (2025-01-21)

Exploit prediction

0.23% chance of exploitation in the next 30 days, higher than 14% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	4.8	CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
CNA	4.0	4.8	CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
CNA	4.0	4.8	CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
NVD	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

ETIC Telecom Remote Access Server (RAS)

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

cisa.gov /news-events/ics-advisories/icsa-22-307-01
third-party-advisory, us-government-resource

Sources

CVE List CVE-2024-26156
NVD CVE-2024-26156

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.

Summary