CVE-2021-34709

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-34709
Multiple vulnerabilities in image verification checks of Cisco Network Convergence System (NCS) 540 Series Routers, only when running Cisco IOS XR NCS540L software images, and Cisco IOS XR Software for Cisco 8000 Series Routers could allow an authenticated, local attacker to execute arbitrary code on the underlying operating system. For more information about these vulnerabilities, see the Details section of this advisory.

6.0 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 0.8 / Impact : 5.2

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

6.9 /10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 3.4 / Impact : 10.0

Access Vector LOCAL

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References
Link Resource
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-lnt-QN9mCzwn Vendor Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-lnt-QN9mCzwn Vendor Advisory
Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:cisco:ios_xr:*:*:*:*:*:*:*:*
OR cpe:2.3:h:cisco:8101-32fh:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:8101-32h:*:*:*:*:*:*:*:*
cpe:2.3:h:cisco:8102-64h:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:8201:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:8201-32fh:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:8202:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:8800_12-slot:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:8800_18-slot:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:8800_4-slot:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:8800_8-slot:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND
OR cpe:2.3:o:cisco:ios_xr:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:*:*:*:*:*:*:*:*
OR cpe:2.3:h:cisco:n540-12z20g-sys-a:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:n540-12z20g-sys-d:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:n540-24z8q2c-m:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:n540-24z8q2c-sys:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:n540-28z4c-sys-a:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:n540-28z4c-sys-d:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:n540-acc-sys:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:n540x-12z16g-sys-a:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:n540x-12z16g-sys-d:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:n540x-16z4g8q2c-a:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:n540x-16z4g8q2c-d:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:n540x-acc-sys:-:*:*:*:*:*:*:*
History

21 Nov 2024, 06:11

Type Values Removed Values Added
CVSS v2 : 6.9
v3 : 6.4 		v2 : 6.9
v3 : 6.0
References () https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-lnt-QN9mCzwn - Vendor Advisory () https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-lnt-QN9mCzwn - Vendor Advisory

21 Sep 2021, 21:08

Type Values Removed Values Added
References (CISCO) https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-lnt-QN9mCzwn - (CISCO) https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-lnt-QN9mCzwn - Vendor Advisory
CWE CWE-347
CPE cpe:2.3:h:cisco:n540x-16z4g8q2c-a:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:8101-32h:*:*:*:*:*:*:*:*
cpe:2.3:h:cisco:n540-28z4c-sys-a:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:8202:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:n540-28z4c-sys-d:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:n540-12z20g-sys-a:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:8800_12-slot:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:n540x-acc-sys:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:n540-acc-sys:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:n540x-12z16g-sys-a:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:8800_18-slot:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:n540-12z20g-sys-d:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:n540x-16z4g8q2c-d:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:n540x-12z16g-sys-d:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:8201-32fh:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:n540-24z8q2c-m:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:n540-24z8q2c-sys:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:8800_8-slot:-:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:*:*:*:*:*:*:*:*
cpe:2.3:h:cisco:8102-64h:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:8201:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:8800_4-slot:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:8101-32fh:-:*:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : 6.9
v3 : 6.4

09 Sep 2021, 06:15

Type Values Removed Values Added
New CVE
Information

Published : 2021-09-09 05:15

Updated : 2024-11-21 06:11

NVD link : CVE-2021-34709

Mitre link : CVE-2021-34709

CVE.ORG link : CVE-2021-34709

JSON object : View

Products Affected

cisco

  • 8201
  • 8201-32fh
  • n540-28z4c-sys-d
  • n540x-16z4g8q2c-d
  • n540x-16z4g8q2c-a
  • ios_xr
  • 8800_18-slot
  • 8800_4-slot
  • n540-12z20g-sys-a
  • n540x-acc-sys
  • n540-acc-sys
  • n540-12z20g-sys-d
  • 8102-64h
  • 8800_8-slot
  • n540-24z8q2c-sys
  • 8101-32fh
  • n540x-12z16g-sys-d
  • n540-24z8q2c-m
  • 8202
  • 8101-32h
  • n540x-12z16g-sys-a
  • 8800_12-slot
  • n540-28z4c-sys-a
CWE
CWE-347

Improper Verification of Cryptographic Signature