Vulnerability · Published Dec 17, 2020 · Assigned by CERTVDE
CVE-2020-12517Phoenix Contact PLCnext Control Devices versions before 2021.0 LTS: An authenticated low privileged user could embed malicious Javascript code to gain admin rights when the admin user visits the vulnerable website (local privilege escalation).
High 8.8
In plain English
A high-severity cross-site scripting in AXC F 1152 (1151412) from Phoenix Contact. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 66% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)1.1%top 33.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
On Phoenix Contact PLCnext Control Devices versions before 2021.0 LTS an authenticated low privileged user could embed malicious Javascript code to gain admin rights when the admin user visits the vulnerable website (local privilege escalation).
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Phoenix Contact | AXC F 1152 (1151412) | unspecified – before 2021.0 LTS |
| Phoenix Contact | AXC F 2152 (2404267) | unspecified – before 2021.0 LTS |
| Phoenix Contact | AXC F 3152 (1069208) | unspecified – before 2021.0 LTS |
| Phoenix Contact | RFC 4072S (1051328 | unspecified – before 2021.0 LTS |
| Phoenix Contact | AXC F 2152 Starterkit (1046568) | unspecified – before 2021.0 LTS |
| Phoenix Contact | PLCnext Technology Starterkit (1188165) | unspecified – before 2021.0 LTS |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- https://cert.vde.com/en-us/advisories/vde-2020-049 x_refsource_CONFIRM