GE Gas Power ToolBoxST Improper Restriction of XML External Entity Reference

published 2022-03-25 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-31310

cvss: 7.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.1%; EPSS 1.1% chance of exploitation in 30 days, percentile 65%
public exploits: 0; none known

GE Gas Power ToolBoxST Version v04.07.05C suffers from an XML external entity (XXE) vulnerability using the DTD parameter entities technique that could result in disclosure and retrieval of arbitrary data on the affected node via an out-of-band (OOB) attack. The vulnerability is triggered when input passed to the XML parser is not sanitized while parsing the XML project/template file.

Patch / fix

fixed in 1

GE Gas Power ToolBoxST 07.09.07C

Vendor advisories

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

cisa ICSA-22-025-01 updated 2022-01-25 cvss 7.5

GE Gas Power ToolBoxST

General Electric (GE) ToolBoxST OS < 07.09.07C
affected: vendor fix, mitigation “Minimize network exposure for all controllers with the use of network segmentation, placement of controllers behind controls network firewalls and ensure they are not accessible from the Internet.” ge.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: yes
Technical impact: partial
Assessed: 18 mo ago (2025-04-16)

Exploit prediction

1.09% chance of exploitation in the next 30 days, higher than 65% 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
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

GE Gas Power ToolBoxST

Classification

Weakness

CWE-611 Improper Restriction of XML External Entity Reference

References

cisa.gov /uscert/ics/advisories/icsa-22-025-01
mitigation, third-party-advisory, us-government-resource

Sources

CVE List CVE-2021-44477
NVD CVE-2021-44477

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