CVE-2021-25663

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-25663
A vulnerability has been identified in Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR Classic R20-11 (All versions < V2303), Nucleus NET (All versions), Nucleus ReadyStart V3 (All versions < V2017.02.4), Nucleus ReadyStart V4 (All versions < V4.1.0), Nucleus Source Code (All versions including affected IPv6 stack). The function that processes IPv6 headers does not check the lengths of extension header options, allowing attackers to put this function into an infinite loop with crafted length values.

7.5 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0 /10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References
Link Resource
https://cert-portal.siemens.com/productcert/html/ssa-248289.html
https://cert-portal.siemens.com/productcert/pdf/ssa-248289.pdf Vendor Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-21-103-05 Third Party Advisory US Government Resource
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:siemens:capital_vstar:-:*:*:*:*:*:*:*
cpe:2.3:a:siemens:nucleus_net:*:*:*:*:*:*:*:*
cpe:2.3:a:siemens:nucleus_readystart:*:*:*:*:*:*:*:*
cpe:2.3:a:siemens:nucleus_source_code:-:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:a:siemens:nucleus_readystart:*:*:*:*:*:*:*:*
History

13 Feb 2024, 09:15

Type Values Removed Values Added
Summary (en) A vulnerability has been identified in Capital VSTAR (Versions including affected IPv6 stack), Nucleus NET (All versions), Nucleus ReadyStart V3 (All versions < V2017.02.4), Nucleus ReadyStart V4 (All versions < V4.1.0), Nucleus Source Code (Versions including affected IPv6 stack). The function that processes IPv6 headers does not check the lengths of extension header options, allowing attackers to put this function into an infinite loop with crafted length values. (en) A vulnerability has been identified in Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR Classic R20-11 (All versions < V2303), Nucleus NET (All versions), Nucleus ReadyStart V3 (All versions < V2017.02.4), Nucleus ReadyStart V4 (All versions < V4.1.0), Nucleus Source Code (All versions including affected IPv6 stack). The function that processes IPv6 headers does not check the lengths of extension header options, allowing attackers to put this function into an infinite loop with crafted length values.
References
  • () https://cert-portal.siemens.com/productcert/html/ssa-248289.html -

17 Nov 2021, 22:17

Type Values Removed Values Added
Summary A vulnerability has been identified in Nucleus 4 (All versions < V4.1.0), Nucleus NET (All versions), Nucleus ReadyStart (All versions), Nucleus Source Code (versions including affected IPv6 stack), VSTAR (versions including affected IPv6 stack). The function that processes IPv6 headers does not check the lengths of extension header options, allowing attackers to put this function into an infinite loop with crafted length values. A vulnerability has been identified in Capital VSTAR (Versions including affected IPv6 stack), Nucleus NET (All versions), Nucleus ReadyStart V3 (All versions < V2017.02.4), Nucleus ReadyStart V4 (All versions < V4.1.0), Nucleus Source Code (Versions including affected IPv6 stack). The function that processes IPv6 headers does not check the lengths of extension header options, allowing attackers to put this function into an infinite loop with crafted length values.

12 Nov 2021, 20:17

Type Values Removed Values Added
CPE cpe:2.3:a:siemens:nucleus_4:*:*:*:*:*:*:*:*
cpe:2.3:a:siemens:vstar:-:*:*:*:*:*:*:*		 cpe:2.3:a:siemens:capital_vstar:-:*:*:*:*:*:*:*

10 Nov 2021, 01:16

Type Values Removed Values Added
Summary A vulnerability has been identified in Capital VSTAR (Versions including affected IPv6 stack), Nucleus NET (All versions), Nucleus ReadyStart V3 (All versions < V2017.02.4), Nucleus ReadyStart V4 (All versions < V4.1.0), Nucleus Source Code (Versions including affected IPv6 stack). The function that processes IPv6 headers does not check the lengths of extension header options, allowing attackers to put this function into an infinite loop with crafted length values. A vulnerability has been identified in Nucleus 4 (All versions < V4.1.0), Nucleus NET (All versions), Nucleus ReadyStart (All versions), Nucleus Source Code (versions including affected IPv6 stack), VSTAR (versions including affected IPv6 stack). The function that processes IPv6 headers does not check the lengths of extension header options, allowing attackers to put this function into an infinite loop with crafted length values.

09 Nov 2021, 12:15

Type Values Removed Values Added
Summary A vulnerability has been identified in Nucleus 4 (All versions < V4.1.0), Nucleus NET (All versions), Nucleus ReadyStart (All versions), Nucleus Source Code (versions including affected IPv6 stack), VSTAR (versions including affected IPv6 stack). The function that processes IPv6 headers does not check the lengths of extension header options, allowing attackers to put this function into an infinite loop with crafted length values. A vulnerability has been identified in Capital VSTAR (Versions including affected IPv6 stack), Nucleus NET (All versions), Nucleus ReadyStart V3 (All versions < V2017.02.4), Nucleus ReadyStart V4 (All versions < V4.1.0), Nucleus Source Code (Versions including affected IPv6 stack). The function that processes IPv6 headers does not check the lengths of extension header options, allowing attackers to put this function into an infinite loop with crafted length values.

30 Apr 2021, 14:42

Type Values Removed Values Added
CPE cpe:2.3:a:siemens:nucleus_net:*:*:*:*:*:*:*:*
cpe:2.3:a:siemens:nucleus_readystart:*:*:*:*:*:*:*:*
cpe:2.3:a:siemens:vstar:-:*:*:*:*:*:*:*
cpe:2.3:a:siemens:nucleus_4:*:*:*:*:*:*:*:*
cpe:2.3:a:siemens:nucleus_source_code:-:*:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : 5.0
v3 : 7.5
References (CONFIRM) https://us-cert.cisa.gov/ics/advisories/icsa-21-103-05 - (CONFIRM) https://us-cert.cisa.gov/ics/advisories/icsa-21-103-05 - Third Party Advisory, US Government Resource
References (MISC) https://cert-portal.siemens.com/productcert/pdf/ssa-248289.pdf - (MISC) https://cert-portal.siemens.com/productcert/pdf/ssa-248289.pdf - Vendor Advisory

23 Apr 2021, 15:15

Type Values Removed Values Added
References
  • (CONFIRM) https://us-cert.cisa.gov/ics/advisories/icsa-21-103-05 -

22 Apr 2021, 21:16

Type Values Removed Values Added
New CVE
Information

Published : 2021-04-22 21:15

Updated : 2024-02-13 09:15

NVD link : CVE-2021-25663

Mitre link : CVE-2021-25663

CVE.ORG link : CVE-2021-25663

JSON object : View

Products Affected

siemens

  • nucleus_source_code
  • nucleus_net
  • capital_vstar
  • nucleus_readystart
CWE
CWE-835

Loop with Unreachable Exit Condition ('Infinite Loop')