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CVE-2019-13926

HIGH
7.5
CVSS Score
Published: February 11, 2020 at 03:36 PM UTC
Updated: June 17, 2026 at 02:17 AM UTC
8 products affected across 1 vendorScalance S612 FirmwareScalance S602 FirmwareScalance S623 Firmware

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Severity
HIGH7.5
Exploit prediction
EPSS 2%

Description

A vulnerability has been identified in SCALANCE S602 (All versions >= V3.0 and < V4.1), SCALANCE S612 (All versions >= V3.0 and < V4.1), SCALANCE S623 (All versions >= V3.0 and < V4.1), SCALANCE S627-2M (All versions >= V3.0 and < V4.1). Specially crafted packets sent to port 443/tcp of affected devices could cause a Denial-of-Service condition of the web server. A cold reboot is required to restore the functionality of the device.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Scalance S602 Firmware· Siemens
95%
3.0 ≤ v < 4.1
Affected range stops below 4.1, so it looks safe — our inference, not a vendor statement
siemens-scalance-s602 (same device)
Scalance S612 Firmware· Siemens
95%
3.0 ≤ v < 4.1
Affected range stops below 4.1, so it looks safe — our inference, not a vendor statement
siemens-scalance-s612 (same device)
Scalance S623 Firmware· Siemens
95%
3.0 ≤ v < 4.1
Affected range stops below 4.1, so it looks safe — our inference, not a vendor statement
siemens-scalance-s623 (same device)
Scalance S627-2m Firmware· Siemens
95%
3.0 ≤ v < 4.1
Affected range stops below 4.1, so it looks safe — our inference, not a vendor statement
siemens-scalance-s627-2m (same device)
SCALANCE S602· Siemens
60%
All versions >= V3.0 and < V4.1
SCALANCE S612· Siemens
60%
All versions >= V3.0 and < V4.1
SCALANCE S623· Siemens
60%
All versions >= V3.0 and < V4.1
SCALANCE S627-2M· Siemens
60%
All versions >= V3.0 and < V4.1

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://cert-portal.siemens.com/productcert/pdf/ssa-591405.pdf
x_refsource_MISCThird Party AdvisoryUS Government Resource
Source: [email protected]
https://www.us-cert.gov/ics/advisories/icsa-20-042-10

CVSS

7.5HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-400

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