How severe is CVE-2019-18833?

CVE-2019-18833 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2019-18833 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-18833?

CVE-2019-18833 affects Barco Clickshare Button R9861500d01 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-18833?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-18833 published?

CVE-2019-18833 was published on 2019-12-17 and last updated on 2026-06-17.

CVE-2019-18833

CVE-2019-18833 is a medium-severity vulnerability in Barco Clickshare Button R9861500d01 Firmware with a CVSS 3.x base score of 5.9. 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-311.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
CVSS v2: 4.3
EPSS exploit prediction: 0% (29th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-311
Affected product: Barco Clickshare Button R9861500d01 Firmware
Published: 2019-12-17
Last modified: 2026-06-17

Description

Barco ClickShare Button R9861500D01 devices before 1.9.0 allow Information exposure (issue 2 of 2).. The encryption key of the media content which is shared between a ClickShare Button and a ClickShare Base Unit is randomly generated for each new session and communicated over a TLS connection. An attacker who is able to perform a Man-in-the-Middle attack between the TLS connection, is able to obtain the encryption key.

Frequently asked questions

What is CVE-2019-18833?: Barco ClickShare Button R9861500D01 devices before 1.9.0 allow Information exposure (issue 2 of 2).. The encryption key of the media content which is shared between a ClickShare Button and a ClickShare Base Unit is randomly generated for each new session and communicated over a TLS connection. An attacker who is able to perform a Man-in-the-Middle attack between the TLS connection, is able to obtain the encryption key.
How severe is CVE-2019-18833?: CVE-2019-18833 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2019-18833 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-18833?: CVE-2019-18833 affects Barco Clickshare Button R9861500d01 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-18833?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-18833 published?: CVE-2019-18833 was published on 2019-12-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:barco:clickshare_button_r9861500d01_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Barco Clickshare Button R9861500d01 Firmware

CVE-2019-18832 — High (CVSS 8.1): Barco ClickShare Button R9861500D01 devices before 1.9.0 have incorrect Credentials Management. The ClickShare Button…
CVE-2019-18829 — High (CVSS 7.8): Barco ClickShare Button R9861500D01 devices before 1.10.0.13 have Missing Support for Integrity Check. The Barco signed…
CVE-2019-18824 — Medium (CVSS 6.6): Barco ClickShare Button R9861500D01 devices before 1.10.0.13 have Missing Support for Integrity Check. The ClickShare…

All CVEs affecting Barco Clickshare Button R9861500d01 Firmware →

Other CWE-311 (Missing Encryption of Sensitive Data) vulnerabilities

CVE-2023-6339 — Critical (CVSS 10.0): Google Nest WiFi Pro root code-execution & user-data compromise
CVE-2023-4420 — Critical (CVSS 9.8): A remote unprivileged attacker can intercept the communication via e.g. Man-In-The-Middle, due to the absence of…
CVE-2023-0750 — Critical (CVSS 9.8): Yellobrik PEC-1864 implements authentication checks via javascript in the frontend interface. When the device can be…
CVE-2020-15331 — Critical (CVSS 9.8): Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 has a hardcoded OAUTH_SECRET_KEY in /opt/axess/etc/default/axess.
CVE-2019-3431 — Critical (CVSS 9.8): All versions up to V4.01.01.02 of ZTE ZXCLOUD GoldenData VAP product have encryption problems vulnerability. Attackers…
CVE-2019-12924 — Critical (CVSS 9.8): MailEnable Enterprise Premium 10.23 was vulnerable to XML External Entity Injection (XXE) attacks that could be…

Browse all CWE-311 (Missing Encryption of Sensitive Data) vulnerabilities →