CVE-2023-27927

published 2023-03-27 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-31653

cvss: 6.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 29%
public exploits: 0; none known

An authenticated malicious user could acquire the simple mail transfer protocol (SMTP) Password in cleartext format, despite it being protected and hidden behind asterisks. The attacker could then perform further attacks using the SMTP credentials.

Vendor advisories

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

cisa ICSA-23-082-03 updated 2023-04-03 cvss 7.5

SAUTER EY-modulo 5 Building Automation Stations

SAUTER EY-modulo 5 Building Automation Station EY-AS525F001
affected: vendor fix

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: 21 mo ago (2025-01-17)

Exploit prediction

0.36% chance of exploitation in the next 30 days, higher than 29% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CNA	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected products

SAUTER EY-AS525F001 with moduWeb

Classification

Weakness

CWE-319 Cleartext Transmission of Sensitive Information

References

cisa.gov /news-events/ics-advisories/icsa-23-082-03
third-party-advisory, us-government-resource

Sources

CVE List CVE-2023-27927
NVD CVE-2023-27927

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