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SiemensCVE-2020-25231

HistoryDec 14, 2020 - 9:15 p.m.

CVE-2020-25231

2020-12-1421:15:19

CWE-798

CWE-321

siemens

web.nvd.nist.gov

cve-2020-25231

logo! 8 bm

siplus

logo! soft comfort

encryption vulnerability

static key

confidential information extraction

nvd

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:L/AC:L/Au:N/C:P/I:N/A:N

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

AI Score

5.2

Confidence

High

EPSS

Percentile

12.6%

JSON

A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (All versions < V8.3), LOGO! Soft Comfort (All versions < V8.3). The encryption of program data for the affected devices uses a static key. An attacker could use this key to extract confidential information from protected program files.

Affected configurations

Nvd

Node

siemenslogo\!_8_bm_firmwareRange<8.3

AND

siemenslogo\!_8_bmMatch-

Node

siemenslogo\!_soft_comfortRange<8.3

VendorProductVersionCPE
siemenslogo\!_8_bm_firmware*cpe:2.3:o:siemens:logo\!_8_bm_firmware:*:*:*:*:*:*:*:*
siemenslogo\!_8_bm-cpe:2.3:h:siemens:logo\!_8_bm:-:*:*:*:*:*:*:*
siemenslogo\!_soft_comfort*cpe:2.3:a:siemens:logo\!_soft_comfort:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
siemens	logo\!_8_bm_firmware	*	cpe:2.3:o:siemens:logo\!_8_bm_firmware::::::::
siemens	logo\!_8_bm	-	cpe:2.3:h:siemens:logo\!_8_bm:-:::::::*
siemens	logo\!_soft_comfort	*	cpe:2.3:a:siemens:logo\!_soft_comfort::::::::

CNA Affected

[
  {
    "product": "LOGO! 8 BM (incl. SIPLUS variants)",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions < V8.3"
      }
    ]
  },
  {
    "product": "LOGO! Soft Comfort",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions < V8.3"
      }
    ]
  }
]

References

cert-portal.siemens.com/productcert/pdf/ssa-480824.pdf

Social References

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:L/AC:L/Au:N/C:P/I:N/A:N

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

AI Score

5.2

Confidence

High

EPSS

Percentile

12.6%

JSON

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