CVE-2021-27657
published 2021-06-04CVE-2021-27657: Successful exploitation of this vulnerability could give an authenticated Metasys user an unintended level of access to the server file system, allowing them…
PriorityP353high8.8CVSS 3.1
AVNACLPRLUINSUCHIHAH
EPSS
1.24%
65.6th percentile
Successful exploitation of this vulnerability could give an authenticated Metasys user an unintended level of access to the server file system, allowing them to access or modify system files by sending specifically crafted web messages to the Metasys system. This issue affects: Johnson Controls Metasys version 11.0 and prior versions.
Affected
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| johnson_controls | metasys | 11.0 – 11.0 | — |
| johnsoncontrols | metasys | <= 11.0 | — |
CVSS provenance
nvdv3.18.8HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
nvdv2.06.5MEDIUMAV:N/AC:L/Au:S/C:P/I:P/A:P
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://us-cert.cisa.gov/ics/advisories/icsa-21-159-01https://us-cert.gov/ics/advisorieshttps://www.johnsoncontrols.com/cyber-solutions/security-advisorieshttps://us-cert.cisa.gov/ics/advisories/icsa-21-159-01https://us-cert.gov/ics/advisorieshttps://www.johnsoncontrols.com/cyber-solutions/security-advisories
2021-06-04
Published