CVE-2023-40544: Westermo Lynx Cleartext Transmission of Sensitive Information
Modified
Published 06-02-2024Last modified 02-08-2024
Vulnerability summary
CVE-2023-40544 is a medium (CVSS 5.7) vulnerability in westermo l206-f2g_firmware. EPSS estimates a 0.17% chance of exploitation in the next 30 days, higher than 5.8% of scored vulnerabilities.
CVSS score
5.7/10
010
Medium · v3.1 (CVE.org)EPSS score
0.17%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded
Timeline
- 06-02-2024PublishedVulnerability first disclosed.
- 02-08-2024Last modifiedVulnerability information updated.
Description
An attacker with access to the network where the affected devices are located could maliciously actions to obtain, via a sniffer, sensitive information exchanged via TCP communications.
CVSS metrics
2 scores · 2 sources · 1 versionMedium 5.7Preferred score · CVE.org (CNA)
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:NSourcesAll 2 agree
- NVDNIST5.7MediumCVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS trend
Probability
0.17%
Chance of exploitation in the next 30 days
Percentile
6%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.17% on 22-09-2026
22-09-202622-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Westermo2 products
- l206-f2g_firmware4.24
- lynxL206-F2G1 | 4.24
1 vendor · 2 products