Advantech ADAM-5550 Cross-site Scripting

published 2024-09-27 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-37259

cvss: 8.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 24%
public exploits: 0; none known

Advantech ADAM 5550's web application includes a "logs" page where all the HTTP requests received are displayed to the user. The device doesn't correctly neutralize malicious code when parsing HTTP requests to generate page output.

Vendor advisories

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

cisa ICSA-24-270-01 updated 2024-09-26 cvss 8.8

Advantech ADAM-5550

Advantech ADAM 5550
affected: mitigation “ADAM-5550 is currently being phased out, and Advantech strongly recommends all ADAM-5550 users upgrade to ADAM-5630 firmware version 2.5.2 or higher.”

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: 2 y ago (2024-09-27)

Exploit prediction

0.31% chance of exploitation in the next 30 days, higher than 24% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	8.8	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA	4.0	8.7	CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CNA	4.0	8.7	CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/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

Advantech ADAM 5550

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

cisa.gov /news-events/ics-advisories/icsa-24-270-01
third-party-advisory, us-government-resource

Sources

CVE List CVE-2024-38308
NVD CVE-2024-38308

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