Vulnerability Name:

CVE-2021-1301 (CCN-195294)

Assigned:2020-11-13
Published:2021-01-20
Updated:2022-08-05
Summary:Multiple vulnerabilities in Cisco SD-WAN products could allow an unauthenticated, remote attacker to execute attacks against an affected device. For more information about these vulnerabilities, see the Details section of this advisory.
CVSS v3 Severity:9.8 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
6.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
5.7 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:7.5 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
6.8 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-20
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2021-1301

Source: XF
Type: UNKNOWN
cisco-cve20211301-dos(195294)

Source: CCN
Type: Cisco Security Advisory cisco-sa-sdwan-bufovulns-B5NrSHbj
Cisco SD-WAN Buffer Overflow Vulnerabilities

Source: CISCO
Type: Vendor Advisory
20210120 Cisco SD-WAN Buffer Overflow Vulnerabilities

Vulnerable Configuration:Configuration 1:
  • cpe:/o:cisco:sd-wan_firmware:19.2.1:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:sd-wan_firmware:18.3.8:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:sd-wan_firmware:19.2.99:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:sd-wan_firmware:18.4.4:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:sd-wan_vsmart_controller_firmware:*:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe_sd-wan:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:cisco:vedge_cloud_router:-:*:*:*:*:*:*:*
  • OR cpe:/h:cisco:vedge_5000_router:-:*:*:*:*:*:*:*
  • OR cpe:/h:cisco:vedge_2000_router:-:*:*:*:*:*:*:*
  • OR cpe:/h:cisco:vedge_1000_router:-:*:*:*:*:*:*:*
  • OR cpe:/h:cisco:vedge_100wm_router:-:*:*:*:*:*:*:*
  • OR cpe:/h:cisco:vedge_100m_router:-:*:*:*:*:*:*:*
  • OR cpe:/h:cisco:vedge_100b_router:-:*:*:*:*:*:*:*
  • OR cpe:/h:cisco:vedge_100_router:-:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/a:cisco:sd-wan_vbond_orchestrator:-:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:sd-wan_vmanage:-:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    cisco sd-wan firmware 19.2.1
    cisco sd-wan firmware 18.3.8
    cisco sd-wan firmware 19.2.99
    cisco sd-wan firmware 18.4.4
    cisco sd-wan vsmart controller firmware *
    cisco ios xe sd-wan -
    cisco vedge cloud router -
    cisco vedge 5000 router -
    cisco vedge 2000 router -
    cisco vedge 1000 router -
    cisco vedge 100wm router -
    cisco vedge 100m router -
    cisco vedge 100b router -
    cisco vedge 100 router -
    cisco sd-wan vbond orchestrator -
    cisco sd-wan vmanage -