Improper input validation in Phoenixcontact Mguard Centerport
CVE-2018-5441
An Improper Validation of Integrity Check Value issue was discovered in PHOENIX CONTACT mGuard firmware versions 7.2 to 8.6.0. mGuard devices rely on internal checksums for verification of the internal integrity of the update packages. Verification may not always be performed correctly, allowing an attacker to modify firmware update packages.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.003 (18.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 18.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Phoenixcontact Mguard Centerport
- Phoenixcontact Mguard Centerport Firmware
- Phoenixcontact Mguard Core Tx Vpn
- Phoenixcontact Mguard Core Tx Vpn Firmware
- Phoenixcontact Mguard Delta Tx\/tx
- Phoenixcontact Mguard Delta Tx\/tx Firmware
- Phoenixcontact Mguard Delta Tx\/tx Vpn
- Phoenixcontact Mguard Delta Tx\/tx Vpn Firmware
- Phoenixcontact Mguard Gt\/gt
- Phoenixcontact Mguard Gt\/gt Firmware
Weakness classification (CWE)
References
- www.securityfocus.com/bid/102907 (VDB Entry, Third Party Advisory, vdb-entry)
- ics-cert.us-cert.gov/advisories/ICSA-18-030-01 (US Government Resource, Third Party Advisory)
- cert.vde.com/en-us/advisories/vde-2018-001 (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-5441?
- CVE-2018-5441 is a high-severity vulnerability in Phoenixcontact Mguard Centerport, classified under Improper Validation of Integrity Check Value. CVSS score: 7.8/10. Published 2018-01-30.
- How severe is CVE-2018-5441?
- High severity. CVSS v3 base score is 7.8 out of 10.