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No exploitation reportedFix available

CVE-2020-25198

No exploitation reported by the sources we read.

  • Published2020-12-23
  • WeaknessCWE-384

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

The built-in WEB server for MOXA NPort IAW5000A-I/O firmware version 2.1 or lower has incorrectly implemented protections from session fixation, which may allow an attacker to gain access to a session and hijack it by stealing the user’s cookies.

Timeline

dates in UTC
  1. 2020-12-2315:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2020-25198?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2020-25198?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Moxa nport iaw5000a-i\/o firmwareversion to verify
BranchAffectedFixed in
2.1≤ 2.1no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

  • ICSA-20-287-01 CISA1 known affected

    MOXA NPort IAW5000A-I/O Series

    NPort: Firmware Version 2.1 or lower

Full record on NVD

Fix

  1. Vendor fix CISA ICSA-20-287-01 · 1 productMoxa has released an updated firmware version for the NPort IAW5000A-I/O Series and recommends users install this update on all affected systems.

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

  • CNACVSS 3.18.8read 2026-10-23
  • NVDCVSS 3.18.8read 2026-10-23
  • NVDCVSS 2.06.8read 2026-10-23
  • CNAweakness (CWE)CWE-384read 2026-10-23
  • NVDweakness (CWE)CWE-384read 2026-10-23
  • FIRST EPSSEPSS score1.4 %2026-10-23

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
2020-12-23
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2020-25198?

The built-in WEB server for MOXA NPort IAW5000A-I/O firmware version 2.1 or lower has incorrectly implemented protections from session fixation, which may allow an attacker to gain access to a session and hijack it by stealing the user’s cookies.

Is CVE-2020-25198 actively exploited?

Active exploitation of CVE-2020-25198 has not been confirmed. Its EPSS score was 1.4% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-25198?

CVE-2020-25198 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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