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cve[email protected]CVE-2021-34708
HistorySep 09, 2021 - 5:15 a.m.

CVE-2021-34708

2021-09-0905:15:07
CWE-347
[email protected]
web.nvd.nist.gov
38
cve-2021-34708
cisco
ncs 540
routers
cisco ios xr
vulnerabilities
image verification
nvd

7.2 High

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

6.7 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.8 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

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
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-
AND
ciscoios_xrRange<7.3.2
Node
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-
AND
ciscoios_xrRange<7.3.2
OR
ciscoios_xrRange7.4.0–7.4.1
CPENameOperatorVersion
cisco:ios_xrcisco ios xrlt7.3.2

CNA Affected

[
  {
    "product": "Cisco IOS XR Software ",
    "vendor": "Cisco",
    "versions": [
      {
        "status": "affected",
        "version": "n/a"
      }
    ]
  }
]

Related

cvelist 1
nvd 1
prion 1
cisco 1
nessus 1
cvelist
cvelist
CVE-2021-34708 Cisco IOS XR Software for Cisco 8000 and Network Convergence System 540 Series Routers Image Verification Vulnerabilities
2021-09-08 00:00:00
nvd
nvd
CVE-2021-34708
2021-09-09 05:15:07
prion
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Information disclosure
2021-09-09 05:15:00
cisco
cisco
Cisco IOS XR Software for Cisco 8000 and Network Convergence System 540 Series Routers Image Verification Vulnerabilities
2021-09-08 16:00:00
nessus
nessus
Cisco IOS XR Software for 8000 Network Convergence System 540 Series Routers Image Verification (cisco-sa-lnt-QN9mCzwn)
2021-09-13 00:00:00

7.2 High

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

6.7 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.8 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

JSON
Related for CVE-2021-34708
cvelist1nvd1prion1cisco1nessus1