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nvd[email protected]NVD:CVE-2021-34709
HistorySep 09, 2021 - 5:15 a.m.

CVE-2021-34709

2021-09-0905:15:10
CWE-347
[email protected]
web.nvd.nist.gov
3
cisco
ncs 540
8000 series
image verification
vulnerabilities
arbitrary code execution

CVSS2

6.9

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

6.4

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0

Percentile

5.1%

JSON

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.

Affected configurations

Nvd
Node
ciscoios_xrRange<7.3.2
AND
cisco8101-32fhMatch-
OR
cisco8101-32h
OR
cisco8102-64hMatch-
OR
cisco8201Match-
OR
cisco8201-32fhMatch-
OR
cisco8202Match-
OR
cisco8800_12-slotMatch-
OR
cisco8800_18-slotMatch-
OR
cisco8800_4-slotMatch-
OR
cisco8800_8-slotMatch-
Node
ciscoios_xrRange<7.3.2
OR
ciscoios_xrRange7.4.0–7.4.1
AND
ciscon540-12z20g-sys-aMatch-
OR
ciscon540-12z20g-sys-dMatch-
OR
ciscon540-24z8q2c-mMatch-
OR
ciscon540-24z8q2c-sysMatch-
OR
ciscon540-28z4c-sys-aMatch-
OR
ciscon540-28z4c-sys-dMatch-
OR
ciscon540-acc-sysMatch-
OR
ciscon540x-12z16g-sys-aMatch-
OR
ciscon540x-12z16g-sys-dMatch-
OR
ciscon540x-16z4g8q2c-aMatch-
OR
ciscon540x-16z4g8q2c-dMatch-
OR
ciscon540x-acc-sysMatch-
VendorProductVersionCPE
ciscoios_xr*cpe:2.3:o:cisco:ios_xr:*:*:*:*:*:*:*:*
cisco8101-32fh-cpe:2.3:h:cisco:8101-32fh:-:*:*:*:*:*:*:*
cisco8101-32h*cpe:2.3:h:cisco:8101-32h:*:*:*:*:*:*:*:*
cisco8102-64h-cpe:2.3:h:cisco:8102-64h:-:*:*:*:*:*:*:*
cisco8201-cpe:2.3:h:cisco:8201:-:*:*:*:*:*:*:*
cisco8201-32fh-cpe:2.3:h:cisco:8201-32fh:-:*:*:*:*:*:*:*
cisco8202-cpe:2.3:h:cisco:8202:-:*:*:*:*:*:*:*
cisco8800_12-slot-cpe:2.3:h:cisco:8800_12-slot:-:*:*:*:*:*:*:*
cisco8800_18-slot-cpe:2.3:h:cisco:8800_18-slot:-:*:*:*:*:*:*:*
cisco8800_4-slot-cpe:2.3:h:cisco:8800_4-slot:-:*:*:*:*:*:*:*
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CVSS2

6.9

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

6.4

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0

Percentile

5.1%

JSON
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