Auth bypass in Crestron Am-100
CVE-2019-3927
Crestron AM-100 with firmware 1.6.0.2 and AM-101 with firmware 2.7.0.2 anyone can change the administrator and moderator passwords via the iso.3.6.1.4.1.3212.100.3.2.8.1 and iso.3.6.1.4.1.3212.100.3.2.8.2 OIDs. A remote, unauthenticated attacker can use this vulnerability to change the admin or moderator user's password and gain access to restricted areas on the HTTP interface.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.022 (81.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 81.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.022 · newest: 0.022 · change: 0.000
Affected products
- Crestron Am-100
- Crestron Am-100 Firmware — versions 1.6.0.2
- Crestron Am-101
- Crestron Am-101 Firmware — versions 2.7.0.2
- Crestron Airmedia — versions AM-100 firmware 1.6.0.2 and AM-101 firmware 2.7.0.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.tenable.com/security/research/tra-2019-20 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-3927?
- CVE-2019-3927 is a critical-severity vulnerability in Crestron Am-100, classified under Improper Access Control. CVSS score: 9.8/10. Published 2019-04-30.
- How severe is CVE-2019-3927?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2019-3927 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.