How severe is CVE-2019-3927?

CVE-2019-3927 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-3927 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-3927?

CVE-2019-3927 primarily affects Crestron Am-100 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-3927?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2019-3927 published?

CVE-2019-3927 was published on 2019-04-30 and last updated on 2026-06-17.

CVE-2019-3927

CVE-2019-3927 is a critical-severity vulnerability in Crestron Am-100 Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 5.0
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Crestron Am-100 Firmware
Published: 2019-04-30
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2019-3927?: CVE-2019-3927 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-3927 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-3927?: CVE-2019-3927 primarily affects Crestron Am-100 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-3927?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2019-3927 published?: CVE-2019-3927 was published on 2019-04-30 and last updated on 2026-06-17.

References

https://www.tenable.com/security/research/tra-2019-20

Affected products (2)

cpe:2.3:o:crestron:am-100_firmware:1.6.0.2:*:*:*:*:*:*:*
cpe:2.3:o:crestron:am-101_firmware:2.7.0.2:*:*:*:*:*:*:*

More vulnerabilities in Crestron Am-100 Firmware

CVE-2019-3939 — Critical (CVSS 9.8): Crestron AM-100 with firmware 1.6.0.2 and AM-101 with firmware 2.7.0.2 use default credentials admin/admin and…
CVE-2019-3932 — Critical (CVSS 9.8): Crestron AM-100 with firmware 1.6.0.2 and AM-101 with firmware 2.7.0.2 are vulnerable to authentication bypass due to a…
CVE-2019-3930 — Critical (CVSS 9.8): The Crestron AM-100 firmware 1.6.0.2, Crestron AM-101 firmware 2.7.0.1, Barco wePresent WiPG-1000P firmware 2.3.0.10,…
CVE-2019-3929 — Critical (CVSS 9.8): The Crestron AM-100 firmware 1.6.0.2, Crestron AM-101 firmware 2.7.0.1, Barco wePresent WiPG-1000P firmware 2.3.0.10,…
CVE-2019-3926 — Critical (CVSS 9.8): Crestron AM-100 with firmware 1.6.0.2 and AM-101 with firmware 2.7.0.2 are vulnerable to command injection via SNMP OID…
CVE-2019-3925 — Critical (CVSS 9.8): Crestron AM-100 with firmware 1.6.0.2 and AM-101 with firmware 2.7.0.2 are vulnerable to command injection via SNMP OID…

All CVEs affecting Crestron Am-100 Firmware →

Other CWE-287 (Improper Authentication) vulnerabilities

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CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

Browse all CWE-287 (Improper Authentication) vulnerabilities →