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Permalink CVE-2026-20313
7.7 HIGH
  • CVSS version (CVSS): 3.1
  • Attack Vector (AV): Network (N)
  • Attack Complexity (AC): Low (L)
  • Privileges Required (PR): Low (L)
  • User Interaction (UI): None (N)
  • Scope (S): Changed (C)
  • Confidentiality (C): None (N)
  • Integrity (I): None (N)
  • Availability (A): High (H)
  • Modified Attack Vector (MAV): Network (N)
  • Modified Attack Complexity (MAC): Low (L)
  • Modified Privileges Required (MPR): Low (L)
  • Modified User Interaction (MUI): None (N)
  • Modified Confidentiality (MC): None (N)
  • Modified Scope (MS): Changed (C)
  • Modified Integrity (MI): None (N)
  • Modified Availability (MA): High (H)
created 1 month ago Activity log
  • Created & dismissed (no matching packages found) suggestion 1 month ago
Cisco Catalyst SD-WAN Security Hardening Release - Memory Corruption Vulnerabilities

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Catalyst SD-WAN engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-20313 are related to Improper link resolution before file access issues that are grouped under the Common Weakness Enumeration (CWE) CWE-1284.

Affected products

Cisco Catalyst SD-WAN Manager
  • ==20.15.4.4_LI_Images
  • ==20.4.2.0.4
  • ==18.3.0
  • ==20.6.3.0.14
  • ==20.12.4
  • ==20.6.2.1
  • ==20.4.2.2.2
  • ==20.6.5.1.3
  • ==20.9.9_LI_Images
  • ==18.4.3
  • ==20.6.3
  • ==20.15.5_LI_Images
  • ==20.18.2_LI_Images
  • ==20.3.3.0.8
  • ==20.5.1.1
  • ==20.6.3.0.23
  • ==20.12.5.3_LI_Images
  • ==20.6.3.0.40
  • ==18.4.0
  • ==20.9.8.2_LI_Images
  • ==20.4.2.1.1
  • ==20.10.1_LI_Images
  • ==20.9.5.1_LI_Images
  • ==20.9.3
  • ==20.9.5.2.13
  • ==18.4.6
  • ==20.18.3
  • ==20.6.3.0.18
  • ==20.9.4.1.1
  • ==20.6.3.1.1
  • ==20.18.1
  • ==20.9.9.1_LI_Images
  • ==20.3.4.2.2
  • ==20.6.3.0.46
  • ==20.6.5.1.4
  • ==18.4.1
  • ==20.12.4_LI_Images
  • ==20.3.2_928
  • ==19.2.1
  • ==20.6.3.0.19
  • ==20.4.1
  • ==20.12.7_LI_Images
  • ==20.3.4.0.9
  • ==20.6.3.0.11
  • ==20.4.1.0.01
  • ==20.12.4.0.4
  • ==20.18.2.1_LI_Images
  • ==20.8.1
  • ==20.13.1_LI_Images
  • ==20.3.8
  • ==20.3.3.1.2
  • ==26.1.1.2_LI_Images
  • ==20.3.4.0.19
  • ==20.3.1
  • ==20.9.6_LI_Images
  • ==20.6.1.1
  • ==20.3.4.1.2
  • ==20.6.5.2
  • ==20.15.4.3_LI_Images
  • ==20.12.5
  • ==20.15.4.5_LI_Images
  • ==20.6.5.2.8
  • ==20.1.1.1
  • ==20.12.5.2_LI_Images
  • ==20.4.2
  • ==20.12.4_Monthly_ES5
  • ==17.2.5
  • ==20.3.814
  • ==20.3.2_937
  • ==20.9.5.1.4
  • ==17.2.7
  • ==20.6.5.1.11
  • ==20.3.3.1.5
  • ==26.1.1.1_LI_Images
  • ==20.15.2
  • ==20.6.3.0.5
  • ==20.15.5.2
  • ==20.6.3.0.41
  • ==20.6.3.3
  • ==20.12.6_LI_Images
  • ==20.6.8
  • ==20.9.4.1.6
  • ==20.9.7.1_LI _Images
  • ==20.9.4.0.4
  • ==20.6.5.1.5
  • ==20.12.501
  • ==20.4.2.0.1
  • ==20.6.3.0.38
  • ==20.15.4.1_LI_Images
  • ==19.1.0
  • ==20.12.6.1
  • ==20.6.6.0.1
  • ==20.12.5_LI_Images
  • ==18.4.302
  • ==20.3.3.0.4
  • ==20.6.5.1.6
  • ==20.12.5.2
  • ==19.2.4.0.1
  • ==20.18.2.2
  • ==20.9.4.1
  • ==20.15.3.1
  • ==19.3.0
  • ==20.3.4.2
  • ==20.12.6.2_LI_Images
  • ==20.9.1EFT2
  • ==20.9.9
  • ==20.9.8
  • ==20.15.4_LI_Images
  • ==20.4.2.2.8
  • ==20.3.7.2
  • ==20.6.5.5
  • ==20.7.1EFT2
  • ==18.4.0.1
  • ==20.6.2.2
  • ==20.6.5.1.9
  • ==20.9.3.0.16
  • ==20.9.9.2
  • ==20.16.1_LI_Images
  • ==20.12.5.3
  • ==20.9.3.2
  • ==20.15.1
  • ==20.9.3.0.12
  • ==20.6.4.1
  • ==20.15.5.2_LI_Images
  • ==20.3.5
  • ==26.1.1.2
  • ==19.2.4.0.8
  • ==20.9.3_LI_ Images
  • ==20.9.3.0.23
  • ==20.3.3.1.7
  • ==20.6.3.0.29
  • ==20.6.5.4
  • ==20.3.2.1_927
  • ==20.9.7.1
  • ==18.3.4
  • ==19.2.099
  • ==20.1.2_937
  • ==19.2.4
  • ==20.3.4.1.1
  • ==20.6.2.2.2
  • ==20.6.5.1.10
  • ==20.6.5.1.7
  • ==20.6.3.0.45
  • ==20.6.3.0.25
  • ==18.3.3.1
  • ==20.4.1.1
  • ==20.18.3_LI_Images
  • ==20.18.3.1
  • ==20.6.2.2.7
  • ==20.3.4.0.24
  • ==20.6.1.2
  • ==20.3.2_925
  • ==20.7.1.0.2
  • ==20.9.2.1
  • ==20.12.2_LI_Images
  • ==18.3.5
  • ==20.6.2
  • ==20.18.2.2_LI_Images
  • ==20.12.7
  • ==20.6.3.0.32
  • ==17.2.6
  • ==20.3.4.0.20
  • ==20.9.3.0.20
  • ==20.9.4.1.3
  • ==20.15.3
  • ==17.2.4
  • ==20.4.2.2
  • ==20.3.7
  • ==20.6.5.2.3
  • ==20.12.5.1
  • ==20.12.7.2_LI_Images
  • ==20.4.2.2.1
  • ==20.9.3.0.4
  • ==20.6.5.3
  • ==20.9.5.1
  • ==20.10.1.1
  • ==20.6.4.2
  • ==20.6.5.1
  • ==20.12.6.2
  • ==20.3.3.0.2
  • ==20.6.3.0.27
  • ==20.4.1.0.1
  • ==20.12.1
  • ==20.9.5.2
  • ==20.9.3.0.5
  • ==20.3.4.0.6
  • ==19.0.1a
  • ==20.9.5_LI_Images
  • ==20.15.2_LI_Images
  • ==20.6.3.2
  • ==20.9.2.3
  • ==20.9.7_LI _Images
  • ==19.2.097
  • ==18.3.3
  • ==20.6.4.0.4
  • ==20.12.5.1.01
  • ==20.18.2
  • ==17.2.10
  • ==20.1.12
  • ==20.15.4.1
  • ==20.9.5.2.16
  • ==20.9.3.1
  • ==20.9.3.0.18
  • ==20.9.5.2.14
  • ==20.6.4.0.21
  • ==26.1.1_LI_Images
  • ==20.15.1_LI_Images
  • ==20.6.5.1.13
  • ==20.3.3
  • ==20.9.5
  • ==20.6.3.0.2
  • ==20.4.2.3
  • ==20.4.1.1.5
  • ==20.6.0.18.4
  • ==20.15.4
  • ==20.12.5.4
  • ==19.2.098
  • ==20.10.1
  • ==20.5.1.0.1
  • ==20.12.4.1
  • ==20.9.5.3
  • ==20.15.5.1_LI_Images
  • ==20.12.4.0.03
  • ==20.9.5.2.21
  • ==20.1.2
  • ==20.6.3.1
  • ==20.6.2.0.4
  • ==20.3.6
  • ==20.3.3.1.1
  • ==20.5.1.2
  • ==20.3.2.1_930
  • ==20.9.1
  • ==20.12.401
  • ==17.2.9
  • ==19.2.2
  • ==20.6.5.1.14
  • ==20.9.8.2
  • ==20.9.9.1
  • ==20.12.6.1_LI_Images
  • ==26.0.1
  • ==20.5.1.0.2
  • ==20.3.4.2.1
  • ==20.9.1.1
  • ==20.3.4.1
  • ==20.9.9.2_LI_Images
  • ==20.15.4.2
  • ==20.7.1
  • ==20.3.3.0.14
  • ==20.9.3.0.29
  • ==20.6.3.0.10
  • ==18.4.4
  • ==19.2.31
  • ==20.1.1
  • ==18.4.5
  • ==20.12.5.1_LI_Images
  • ==20.3.4
  • ==20.12.3_LI_Images
  • ==20.15.3_ LI _Images
  • ==20.4.1.0.02
  • ==19.2.929
  • ==20.4.2.2.3
  • ==20.9.5.2_LI_Images
  • ==20.9.1_LI_Images
  • ==18.3.6
  • ==20.9.6.0.3
  • ==20.3.4.0.1
  • ==18.4.501_ES
  • ==20.9.5.2.1
  • ==19.2.32
  • ==20.12.5.4_LI_ Images
  • ==20.1.3.1
  • ==20.9.2.0.01
  • ==20.12.7.1_LI_Images
  • ==20.6.2.2.4
  • ==20.3.5.0.7
  • ==20.3.5.1
  • ==20.3.3.1
  • ==26.1.1.1
  • ==19.0.0
  • ==20.9.3.0.7
  • ==20.3.4.0.11
  • ==20.6.3.0.47
  • ==20.11.1.2
  • ==20.5.1
  • ==20.3.4.0.25
  • ==20.9.3.2_LI_Images
  • ==20.11.1.1
  • ==20.12.7.2
  • ==20.6.1.0.1
  • ==20.9.5.2.7
  • ==20.3.3.2
  • ==20.3.3.0.17
  • ==20.9.4_LI_Images
  • ==20.6.5.2.4
  • ==20.12.2
  • ==20.3.813
  • ==18.2.0
  • ==20.12.6
  • ==20.6.5
  • ==20.3.2.0.5
  • ==20.13.1
  • ==20.9.3.0.3
  • ==18.3.1.1
  • ==20.9.3.0.2
  • ==20.3.2
  • ==20.16.1
  • ==20.12.3
  • ==20.6.2.2.3
  • ==19.2.0
  • ==19.2.3
  • ==20.4.2.2.4
  • ==18.3.7
  • ==20.1.3
  • ==20.18.2.1
  • ==20.9.7
  • ==20.7.2
  • ==20.9.3.0.24
  • ==20.4.2.1
  • ==20.15.4.2_LI_Images
  • ==20.15.5.3
  • ==18.3.6.1
  • ==20.6.5.1.2
  • ==20.12.4.0.6
  • ==20.10.1.2
  • ==20.9.4.1_LI_Images
  • ==20.15.5.3_LI_Images
  • ==20.9.6
  • ==20.15.4.3
  • ==20.11.1_LI_Images
  • ==20.3.7.1
  • ==20.6.3.0.31
  • ==20.7.1.1
  • ==20.6.4.0.19
  • ==20.6.3.0.33
  • ==20.9.3.0.8
  • ==20.6.5.2.1
  • ==20.3.3.0.16
  • ==20.14.1
  • ==18.3.1
  • ==20.5.0.1.1
  • ==20.3.4.0.5
  • ==20.15.5.1
  • ==20.4.2.0.2
  • ==20.14.1_LI_Images
  • ==19.2.4.0.9
  • ==20.15.5
  • ==18.3.8
  • ==20.18.3.1_LI_Images
  • ==20.18.1_LI_Images
  • ==20.9.2_LI_Images
  • ==20.12.1_LI_Images
  • ==20.3.5.0.9
  • ==20.9.3.0.21
  • ==20.9.3.0.17
  • ==20.11.1
  • ==20.3.2.1
  • ==20.3.4.3
  • ==20.6.6
  • ==20.6.3.0.51
  • ==20.3.5.0.8
  • ==20.3.2.0.6
  • ==20.12.3.1
  • ==20.6.7
  • ==20.3.3.0.18
  • ==20.9.2.2
  • ==20.9.8_LI_Images
  • ==20.15.4.5
  • ==20.9.3.0.25
  • ==20.9.3.0.26
  • ==20.9.4
  • ==20.3.4.0.26
  • ==20.3.2_929
  • ==20.15.4.4
  • ==20.6.3.0.7
  • ==17.2.8
  • ==20.12.4.1_LI_Images
  • ==20.3.3.1.10
  • ==20.6.3.4
  • ==20.12.7.1
  • ==20.6.3.0.39
  • ==20.6.1
  • ==20.9.2
  • ==20.6.4
  • ==20.9.5.3_LI_Images
  • ==26.1.1
  • ==20.6.0.18.3
  • ==18.4.303
  • ==20.4.1.2
Cisco Catalyst SD-WAN Controller
  • ==20.12.2
  • ==20.9.9
  • ==18.2.0
  • ==20.9.8
  • ==20.12.6
  • ==20.6.5
  • ==20.1.12
  • ==20.15.4.1
  • ==18.3.0
  • ==20.9.3.1
  • ==20.12.4
  • ==20.3.7.2
  • ==20.13.1
  • ==20.3.3
  • ==20.3.2
  • ==20.6.3
  • ==18.4.3
  • ==20.16.1
  • ==20.12.3
  • ==20.9.5
  • ==20.9.9.2
  • ==20.12.5.3
  • ==19.2.0
  • ==20.15.1
  • ==20.4.2.3
  • ==19.2.3
  • ==18.3.7
  • ==18.4.0
  • ==20.15.4
  • ==20.12.5.4
  • ==19.2.098
  • ==20.10.1
  • ==20.1.3
  • ==20.6.4.1
  • ==20.18.2.1
  • ==20.9.7
  • ==20.3.5
  • ==20.7.2
  • ==20.9.3
  • ==20.12.4.1
  • ==20.9.5.3
  • ==26.1.1.2
  • ==18.4.6
  • ==20.18.3
  • ==20.18.1
  • ==20.15.5.3
  • ==20.3.6
  • ==20.1.2
  • ==18.4.1
  • ==20.6.5.4
  • ==20.9.7.1
  • ==18.3.4
  • ==19.2.099
  • ==19.2.4
  • ==19.2.1
  • ==20.9.1
  • ==20.4.1
  • ==20.9.6
  • ==20.4.1.1
  • ==20.15.4.3
  • ==17.2.9
  • ==20.18.3.1
  • ==19.2.2
  • ==20.8.1
  • ==20.3.7.1
  • ==20.3.8
  • ==20.6.1.2
  • ==20.9.8.2
  • ==20.9.9.1
  • ==18.3.5
  • ==20.6.2
  • ==20.12.7
  • ==20.3.1
  • ==20.15.4.2
  • ==20.14.1
  • ==20.7.1
  • ==18.3.1
  • ==20.6.5.2
  • ==17.2.6
  • ==20.15.5.1
  • ==20.12.5
  • ==20.15.5
  • ==18.3.8
  • ==20.15.3
  • ==17.2.4
  • ==18.4.4
  • ==20.1.1
  • ==19.2.31
  • ==18.4.5
  • ==20.3.7
  • ==20.12.5.1
  • ==20.4.2
  • ==20.3.4
  • ==17.2.5
  • ==20.6.5.3
  • ==20.9.5.1
  • ==19.2.929
  • ==20.10.1.1
  • ==17.2.7
  • ==20.11.1
  • ==18.3.6
  • ==20.3.4.3
  • ==20.12.6.2
  • ==19.2.32
  • ==20.6.6
  • ==20.15.2
  • ==20.15.5.2
  • ==20.1.3.1
  • ==20.12.3.1
  • ==20.6.3.3
  • ==20.6.7
  • ==20.6.8
  • ==20.9.2.2
  • ==20.15.4.5
  • ==20.12.1
  • ==20.3.5.1
  • ==26.1.1.1
  • ==20.9.4
  • ==19.0.0
  • ==20.15.4.4
  • ==17.2.8
  • ==19.1.0
  • ==20.12.6.1
  • ==19.0.1a
  • ==20.5.1
  • ==20.11.1.1
  • ==20.12.7.1
  • ==20.12.7.2
  • ==20.6.3.2
  • ==20.9.2.3
  • ==20.12.5.2
  • ==20.6.1
  • ==20.9.2
  • ==20.18.2.2
  • ==20.6.4
  • ==19.2.097
  • ==20.3.3.2
  • ==18.3.3
  • ==26.1.1
  • ==20.18.2
  • ==18.4.303
  • ==19.3.0
  • ==20.4.1.2
  • ==17.2.10