Some commands used by the Rockwell Automation ISaGRAF Runtime Versions 4.x and 5.x eXchange Layer (IXL) protocol perform various file operations in the file system. Since the parameter pointing to the file name is not checked for reserved characters, it is possible for a remote, unauthenticated attacker to traverse an application’s directory, which could lead to remote code execution.
CVE-2020-25176
Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-03-19. NVD baseline CVSS 9.1; sources differ by 0.7.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 9.1
- EG Score
- 9.8(medium)
- EPSS
- 92.5%
- KEV
- Not listed
Published
March 18, 2022
Last Modified
November 21, 2024
References (8)
- ics-cert@hqhttps://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-159-04
- ics-cert@hqhttps://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1131699
- ics-cert@hqhttps://www.cisa.gov/uscert/ics/advisories/icsa-20-280-01
- ics-cert@hqhttps://www.xylem.com/siteassets/about-xylem/cybersecurity/advisories/xylem-multismart-rockwell-isagraf.pdf
- af854a3a-2127-422b-91ae-364da2661108https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-159-04
- af854a3a-2127-422b-91ae-364da2661108https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1131699
- af854a3a-2127-422b-91ae-364da2661108https://www.cisa.gov/uscert/ics/advisories/icsa-20-280-01
- af854a3a-2127-422b-91ae-364da2661108https://www.xylem.com/siteassets/about-xylem/cybersecurity/advisories/xylem-multismart-rockwell-isagraf.pdf
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 11× in last 7d / 42× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
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- 2026-05-26 01:23 UTCEG score recompute
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Frequently asked(5)
What is CVE-2020-25176?
When was CVE-2020-25176 disclosed?
Is CVE-2020-25176 actively exploited?
What is the CVSS score of CVE-2020-25176?
How do I remediate CVE-2020-25176?
Dependency Blast Radius
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