CVE-2020-3387 in the critical feed json
Cisco SD-WAN vManage Software Remote Code Execution Vulnerability
published 6y ago modified 4mo ago also EUVD-2020-24658
- cvss
- 7.5
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 13.0%
- EPSS 13.0% chance of exploitation in 30 days, percentile 96%
- public exploits
- 0
- none known
Summary
A vulnerability in Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to execute code with root privileges on an affected system. The vulnerability is due to insufficient input sanitization during user authentication processing. An attacker could exploit this vulnerability by sending a crafted response to the Cisco SD-WAN vManage Software. A successful exploit could allow the attacker to access the software and execute commands they should not be authorized to execute.
Patch / fix
- cisco sd-wan_firmware 19.2.3, 20.1.1.1
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Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- last yr.
Exploit prediction
13.02% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- packetstormsecurity.com http://packetstormsecurity.com/files/162958/Cisco-SD-WAN-vManage-19.2.2-Remote-Root.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 9.0 | AV:N/AC:L/Au:S/C:C/I:C/A:C |
Affected products
- Cisco Cisco SD-WAN vManage
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
packetstormsecurity.com
/files/162958/Cisco-SD-WAN-vManage-19.2.2-Remote-Root.html
exploit, third-party-advisory, vdb-entry
-
tools.cisco.com
/security/center/content/CiscoSecurityAdvisory/cisco-sa-vmanrce-4jtWT28P
vendor-advisory
Sources
- CVE List CVE-2020-3387
- NVD CVE-2020-3387
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