How severe is CVE-2019-3935?

CVE-2019-3935 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2019-3935 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-3935?

CVE-2019-3935 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-2019-3935?

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-2019-3935 published?

CVE-2019-3935 was published on 2019-04-30 and last updated on 2026-06-17.

CVE-2019-3935

CVE-2019-3935 is a critical-severity vulnerability in Crestron Am-100 Firmware with a CVSS 3.x base score of 9.1. 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-284.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
CVSS v2: 6.4
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
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 allows anyone to act as a moderator to a slide show via crafted HTTP POST requests to conference.cgi. A remote, unauthenticated attacker can use this vulnerability to start, stop, and disconnect active slideshows.

Frequently asked questions

What is CVE-2019-3935?: Crestron AM-100 with firmware 1.6.0.2 and AM-101 with firmware 2.7.0.2 allows anyone to act as a moderator to a slide show via crafted HTTP POST requests to conference.cgi. A remote, unauthenticated attacker can use this vulnerability to start, stop, and disconnect active slideshows.
How severe is CVE-2019-3935?: CVE-2019-3935 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2019-3935 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-3935?: CVE-2019-3935 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-2019-3935?: 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-2019-3935 published?: CVE-2019-3935 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-2019-3927 — Critical (CVSS 9.8): Crestron AM-100 with firmware 1.6.0.2 and AM-101 with firmware 2.7.0.2 anyone can change the administrator and…
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…

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