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CVE-2026-20040

🗓️ 11 Mar 2026 16:31:14Reported by AttackerKBType 
attackerkb
 attackerkb🔗 attackerkb.com👁 16 Views

CVE-2026-20040: Cisco IOS XR CLI allows authenticated local user to run root commands via bad argument validation.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
bdu_fstec
BDU FSTEC		The vulnerability of the command-line interface (CLI) of Cisco IOS XR operating systems allows a attacker to elevate their privileges to the root level and execute arbitrary code.
14 Apr 202600:00
–bdu_fstec
circl
Circl		CVE-2026-20040
11 Mar 202616:37
–circl
cisco
Cisco		Cisco IOS XR Software CLI Privilege Escalation Vulnerabilities
11 Mar 202616:00
–cisco
nessus
Tenable Nessus		Cisco IOS XR Software CLI Privilege Escalation (cisco-sa-iosxr-privesc-bF8D5U4W)
13 Mar 202600:00
–nessus
cnnvd
CNNVD		Cisco IOS XR 操作系统命令注入漏洞
11 Mar 202600:00
–cnnvd
cve
CVE		CVE-2026-20040
11 Mar 202616:31
–cve
cvelist
Cvelist		CVE-2026-20040 Cisco IOS XR Software CLI Privilege Escalation Vulnerability
11 Mar 202616:31
–cvelist
euvd
EUVD		EUVD-2026-11214
11 Mar 202618:30
–euvd
ncsc
NCSC		Vulnerabilities fixed in Cisco IOS XR
12 Mar 202614:44
–ncsc
nvd
NVD		CVE-2026-20040
11 Mar 202617:16
–nvd
Rows per page
Vulners
Node
OR
ciscocisco_ios_xr_softwareMatch6.5.3
ciscocisco_ios_xr_softwareMatch6.5.29
ciscocisco_ios_xr_softwareMatch6.5.1
ciscocisco_ios_xr_softwareMatch6.6.1
ciscocisco_ios_xr_softwareMatch6.5.2
ciscocisco_ios_xr_softwareMatch6.5.92
ciscocisco_ios_xr_softwareMatch6.5.15
ciscocisco_ios_xr_softwareMatch6.6.2
ciscocisco_ios_xr_softwareMatch7.0.1
ciscocisco_ios_xr_softwareMatch6.6.25
ciscocisco_ios_xr_softwareMatch6.5.26
ciscocisco_ios_xr_softwareMatch6.6.11
ciscocisco_ios_xr_softwareMatch6.5.25
ciscocisco_ios_xr_softwareMatch6.5.28
ciscocisco_ios_xr_softwareMatch6.5.93
ciscocisco_ios_xr_softwareMatch6.6.12
ciscocisco_ios_xr_softwareMatch6.5.90
ciscocisco_ios_xr_softwareMatch7.1.1
ciscocisco_ios_xr_softwareMatch7.0.90
ciscocisco_ios_xr_softwareMatch6.6.3
ciscocisco_ios_xr_softwareMatch6.7.1
ciscocisco_ios_xr_softwareMatch7.0.2
ciscocisco_ios_xr_softwareMatch7.1.15
ciscocisco_ios_xr_softwareMatch7.2.1
ciscocisco_ios_xr_softwareMatch7.1.2
ciscocisco_ios_xr_softwareMatch6.7.2
ciscocisco_ios_xr_softwareMatch7.0.11
ciscocisco_ios_xr_softwareMatch7.0.12
ciscocisco_ios_xr_softwareMatch7.0.14
ciscocisco_ios_xr_softwareMatch7.1.25
ciscocisco_ios_xr_softwareMatch6.6.4
ciscocisco_ios_xr_softwareMatch7.2.12
ciscocisco_ios_xr_softwareMatch7.3.1
ciscocisco_ios_xr_softwareMatch7.1.3
ciscocisco_ios_xr_softwareMatch6.7.3
ciscocisco_ios_xr_softwareMatch7.4.1
ciscocisco_ios_xr_softwareMatch7.2.2
ciscocisco_ios_xr_softwareMatch6.7.4
ciscocisco_ios_xr_softwareMatch6.5.31
ciscocisco_ios_xr_softwareMatch7.3.15
ciscocisco_ios_xr_softwareMatch7.3.16
ciscocisco_ios_xr_softwareMatch6.8.1
ciscocisco_ios_xr_softwareMatch7.4.15
ciscocisco_ios_xr_softwareMatch6.5.32
ciscocisco_ios_xr_softwareMatch7.3.2
ciscocisco_ios_xr_softwareMatch7.5.1
ciscocisco_ios_xr_softwareMatch7.4.16
ciscocisco_ios_xr_softwareMatch7.3.27
ciscocisco_ios_xr_softwareMatch7.6.1
ciscocisco_ios_xr_softwareMatch7.5.2
ciscocisco_ios_xr_softwareMatch7.8.1
ciscocisco_ios_xr_softwareMatch7.6.15
ciscocisco_ios_xr_softwareMatch7.5.12
ciscocisco_ios_xr_softwareMatch7.8.12
ciscocisco_ios_xr_softwareMatch7.3.3
ciscocisco_ios_xr_softwareMatch7.7.1
ciscocisco_ios_xr_softwareMatch6.8.2
ciscocisco_ios_xr_softwareMatch7.3.4
ciscocisco_ios_xr_softwareMatch7.4.2
ciscocisco_ios_xr_softwareMatch6.7.35
ciscocisco_ios_xr_softwareMatch6.9.1
ciscocisco_ios_xr_softwareMatch7.6.2
ciscocisco_ios_xr_softwareMatch7.5.3
ciscocisco_ios_xr_softwareMatch7.7.2
ciscocisco_ios_xr_softwareMatch6.9.2
ciscocisco_ios_xr_softwareMatch7.9.1
ciscocisco_ios_xr_softwareMatch7.10.1
ciscocisco_ios_xr_softwareMatch7.8.2
ciscocisco_ios_xr_softwareMatch7.5.4
ciscocisco_ios_xr_softwareMatch6.5.33
ciscocisco_ios_xr_softwareMatch7.8.22
ciscocisco_ios_xr_softwareMatch7.7.21
ciscocisco_ios_xr_softwareMatch7.9.2
ciscocisco_ios_xr_softwareMatch7.3.5
ciscocisco_ios_xr_softwareMatch7.5.5
ciscocisco_ios_xr_softwareMatch7.11.1
ciscocisco_ios_xr_softwareMatch7.9.21
ciscocisco_ios_xr_softwareMatch7.10.2
ciscocisco_ios_xr_softwareMatch24.1.1
ciscocisco_ios_xr_softwareMatch7.6.3
ciscocisco_ios_xr_softwareMatch7.3.6
ciscocisco_ios_xr_softwareMatch7.5.52
ciscocisco_ios_xr_softwareMatch7.11.2
ciscocisco_ios_xr_softwareMatch24.2.1
ciscocisco_ios_xr_softwareMatch24.1.2
ciscocisco_ios_xr_softwareMatch24.2.11
ciscocisco_ios_xr_softwareMatch24.3.1
ciscocisco_ios_xr_softwareMatch24.4.1
ciscocisco_ios_xr_softwareMatch24.2.2
ciscocisco_ios_xr_softwareMatch7.8.23
ciscocisco_ios_xr_softwareMatch7.11.21
ciscocisco_ios_xr_softwareMatch24.2.20
ciscocisco_ios_xr_softwareMatch24.3.2
ciscocisco_ios_xr_softwareMatch24.4.10
ciscocisco_ios_xr_softwareMatch6.5.35
ciscocisco_ios_xr_softwareMatch25.1.1
ciscocisco_ios_xr_softwareMatch24.4.2
ciscocisco_ios_xr_softwareMatch24.3.20
ciscocisco_ios_xr_softwareMatch24.4.15
ciscocisco_ios_xr_softwareMatch25.2.1
ciscocisco_ios_xr_softwareMatch6.5.351
ciscocisco_ios_xr_softwareMatch25.1.2
ciscocisco_ios_xr_softwareMatch24.3.30
ciscocisco_ios_xr_softwareMatch25.3.1
ciscocisco_ios_xr_softwareMatch6.5.352
ciscocisco_ios_xr_softwareMatch24.4.30
ciscocisco_ios_xr_softwareMatch24.2.21
ciscocisco_ios_xr_softwareMatch25.4.1
ciscocisco_ios_xr_softwareMatch25.2.2
ciscocisco_ios_xr_softwareMatch25.2.15
ciscocisco_ios_xr_softwareMatch7.2.0
ciscocisco_ios_xr_softwareMatch7.0.0
ciscocisco_ios_xr_softwareMatch25.2.30
ciscocisco_ios_xr_softwareMatch6.5.353
ciscocisco_ios_xr_softwareMatch25.1.30
ciscocisco_ios_xr_softwareMatch25.3.15

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11 Mar 2026 16:58Current
6Medium risk
Vulners AI Score6
CVSS 3.18.8
EPSS0.00172
SSVC
Cisco IOS XRcommand line interfacelocal privilege escalationroot accessargument validationarbitrary command execution
16