HOMEVULNERABILITIESCVE-2023-4523
MEDIUM

CVE-2023-4523

CWE-79Published: September 27, 2023· Updated: Jun 17, 2026

6.1
CVSS v3.1

Official Description

Real Time Automation 460 Series products with versions prior to v8.9.8 are vulnerable to cross-site scripting, which could allow an attacker to run any JavaScript reference from the URL string. If this were to occur, the gateway's HTTP interface would redirect to the main page, which is index.htm.

NVD Source

Technical Analysis

CVE-2023-4523 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.

From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeChanged
Impact
ConfidentialityLow
IntegrityLow
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected Vendors & Products

rtautomation6 product(s)
460 series firmware460etcmm460mcbms460mcbs460mmbms460mmbs
Source: NVD CPE · 6 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

News & Research Mentioning CVE-2023-4523

ABB B&R PCs
CISA Alerts· May 21, 2026

View CSAF Summary ABB became aware of vulnerability in the product versions listed as affected in the advisory. An update is now available that addresses and remediates the vulnerability. A network attacker could exploit the vulnerabilities to execute remote code, initiate DoS attacks, conduct DNS cache poisoning, or extract sensitive information. The following versions of ABB B&R PCs are affected: APC4100 <1.09, 1.09 (CVE-2023-45229, CVE-2023-45230, CVE-2023-45231, CVE-2023-45232, CVE-2023-45233, CVE-2023-45234, CVE-2023-45235, CVE-2023-45236, CVE-2023-45237) APC910 <=1.25 (CVE-2023-45229, CVE-2023-45230, CVE-2023-45231, CVE-2023-45232, CVE-2023-45233, CVE-2023-45234, CVE-2023-45235, CVE-2023-45236, CVE-2023-45237) C80 <1.14, 1.14 (CVE-2023-45229, C [xlite_meta score:73 src:CISA Alerts xlite_fp:e0c2b058f33c6d42576d055006ce59ae2d1c401fc8c33f4fb6ff9a25bb5fa598]

All References (2)

https://www.cisa.gov/news-events/ics-advisories/icsa-23-264-01Third Party Advisory · US Government Resource
https://www.cisa.gov/news-events/ics-advisories/icsa-23-264-01Third Party Advisory · US Government Resource

Quick Facts

CVE IDCVE-2023-4523
CVSS Score6.1 / 10
SeverityMEDIUM
WeaknessCWE-79
CISA KEVNo
Affected1 vendor(s)
PublishedSep 27, 2023

Related CVEs (CWE-79)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2023-4523 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.