CVE-2019-6814Net5500 Firmware Authentication Bypass
A CWE-287: Improper Authentication vulnerability exists in the NET55XX Encoder with firmware prior to version 2.1.9.7 which could cause impact to confidentiality, integrity, and availability when a remote attacker crafts a malicious request to the encoder webUI.
Published May 22, 2019 · Updated Nov 21, 2024
Key Facts
Patch immediately- CVE-2019-6814 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Net5500 Firmware (Schneider-Electric), Net5501 Firmware (Schneider-Electric), Net5501-I Firmware (Schneider-Electric) and 5 more products.
- It is exploited in the wild, listed in CIRCL KEV, Industry KEV feed since Jan 13, 2024. Public exploit code is available.
- EPSS estimates a 37% probability of exploitation in the next 30 days.
- Fixed versions are available, including Net5500 Firmware 2.1.9.7, Net5501 Firmware 2.1.9.7, Net5501-I Firmware 2.1.9.7.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Scores
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
37%
Higher than 98.4% of all scored CVEs
Exploit maturity
Weaponized
ATLAS score
56/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Jan 13, 2024
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Weaponized
Public exploit code
2
Proof-of-concept links
In-the-wild evidence
1
Reports of active use
Advisories And Exploit References
Description
A CWE-287: Improper Authentication vulnerability exists in the NET55XX Encoder with firmware prior to version 2.1.9.7 which could cause impact to confidentiality, integrity, and availability when a remote attacker crafts a malicious request to the encoder webUI.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CIRCL KEV | Jan 13, 2024 | n/a | Not reported |
| Industry KEV feed | Jan 13, 2024 | n/a | Not reported |
Affected Products
8 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Net5500 FirmwareSchneider-Electric | See advisory | 2.1.9.7 |
| Net5501 FirmwareSchneider-Electric | See advisory | 2.1.9.7 |
| Net5501-I FirmwareSchneider-Electric | See advisory | 2.1.9.7 |
| Net5501-Xt FirmwareSchneider-Electric | See advisory | 2.1.9.7 |
| Net5504 FirmwareSchneider-Electric | See advisory | 2.1.9.7 |
Patched Releases
Net5500 Firmware
2.1.9.7
Net5501 Firmware
2.1.9.7
Net5501-I Firmware
2.1.9.7
Net5501-Xt Firmware
2.1.9.7
Net5504 Firmware
2.1.9.7
Net5508 Firmware
2.1.9.7
Net5516 Firmware
2.1.9.7
Timeline
Publicly disclosed
May 22, 2019
Added to CIRCL KEV
Jan 13, 2024
Added to Industry KEV feed
Jan 13, 2024
Last updated
Nov 21, 2024
Weakness Type
- CWE-287 Improper Authentication
References
- advisoryse.com · SEVD-2019-134-01
- exploitVulnCheck exploitation report
- exploitMSF schneider_electric_net55xx_encoder.rb
- exploitExploitDB-47186
FAQ
Common Questions.
A CWE-287: Improper Authentication vulnerability exists in the NET55XX Encoder with firmware prior to version 2.1.9.7 which could cause impact to confidentiality, integrity, and availability when a remote attacker crafts a malicious request to the encoder webUI.
Affected: Net5500 Firmware (Schneider-Electric); Net5501 Firmware (Schneider-Electric); Net5501-I Firmware (Schneider-Electric), among others. The full list is in the CVE brief.
It is exploited in the wild, listed in CIRCL KEV, Industry KEV feed since Jan 13, 2024.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Net5500 Firmware 2.1.9.7, Net5501 Firmware 2.1.9.7, Net5501-I Firmware 2.1.9.7.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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