CVE-2026-27552: carlo gavazzi automation yl212cei8m1io Incorrect Authorization
CVSS: 8.1v3.1HighAwaiting analysis
Published 16-09-2026Last modified 16-09-2026
Vulnerability summary
CVE-2026-27552 is a high (CVSS 8.1) Incorrect Authorization vulnerability in carlo gavazzi automation yl212cei8m1io. EPSS estimates a 0.60% chance of exploitation in the next 30 days, higher than 48% of scored vulnerabilities.
CVSS score
8.1/10
010
High · v3.1 (CVE.org)EPSS score
0.60%
0%100%
Low · +0.04 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 16-09-2026PublishedVulnerability first disclosed.
- 16-09-2026Last modifiedVulnerability information updated.
Description
A low-privileged remote attacker can exploit improper authorization in the /index.php/attached_devices_tab/do_upload endpoint to upload IODD files to the device, potentially altering device behavior or causing system crashes.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 8.1Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:HSourcesAll 2 agree
- NVDNIST8.1HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
EPSS trend
Probability
0.60%
Chance of exploitation in the next 30 days
Percentile
48%
Versus all other CVEs
30-day change
+0.04 pp
From 0.56% on 21-09-2026
21-09-202621-10-2026
EPSS score0.60%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Pepperl+fuchs9 products
- ice2-8iol-g65l-v1d≥ 1.0.0, < 1.7.4
- ice2-8iol-k45p-rj45≥ 1.0.0, < 1.7.4
- ice2-8iol-k45s-rj45≥ 1.0.0, < 1.7.4
- ice2-8iol1-g65l-v1d≥ 1.0.0, < 1.7.4
- ice3-8iol-g65l-v1d≥ 1.0.0, < 1.7.4
Carlo gavazzi automation4 products
- yl212cei8m1io≥ 1.0.0, < 1.7.4
- yl212cpn8m1io≥ 1.0.0, < 1.7.4
- yn115cei8rpio≥ 1.0.0, < 1.7.4
- yn115cpn8rpio≥ 1.0.0, < 1.7.4
Phoenix contact2 products
- iol ma8 eip di8≥ 1.0.0, < 1.7.4
- iol ma8 pn di8≥ 1.0.0, < 1.7.4
3 vendors · 15 products