How severe is CVE-2017-10819?

CVE-2017-10819 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-2017-10819 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-10819?

CVE-2017-10819 affects Intercom Malion. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-10819?

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

When was CVE-2017-10819 published?

CVE-2017-10819 was published on 2017-08-04 and last updated on 2026-06-17.

CVE-2017-10819

CVE-2017-10819 is a medium-severity vulnerability in Intercom Malion 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-295.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
CVSS v2: 4.3
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-295
Affected product: Intercom Malion
Published: 2017-08-04
Last modified: 2026-06-17

Description

MaLion for Mac 4.3.0 to 5.2.1 does not properly validate certificates, which may allow an attacker to eavesdrop on an encrypted communication.

Frequently asked questions

What is CVE-2017-10819?: MaLion for Mac 4.3.0 to 5.2.1 does not properly validate certificates, which may allow an attacker to eavesdrop on an encrypted communication.
How severe is CVE-2017-10819?: CVE-2017-10819 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-2017-10819 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-10819?: CVE-2017-10819 affects Intercom Malion. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-10819?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-10819 published?: CVE-2017-10819 was published on 2017-08-04 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:intercom:malion:*:*:*:*:*:macos:*:*

More vulnerabilities in Intercom Malion

CVE-2017-10818 — Critical (CVSS 9.8): MaLion for Windows and Mac versions 3.2.1 to 5.2.1 uses a hardcoded cryptographic key which may allow an attacker to…
CVE-2017-10817 — Critical (CVSS 9.8): MaLion for Windows and Mac 5.0.0 to 5.2.1 allows remote attackers to bypass authentication to alter settings in Relay…
CVE-2017-10816 — Critical (CVSS 9.8): SQL injection vulnerability in the MaLion for Windows and Mac 5.0.0 to 5.2.1 allows remote attackers to execute…
CVE-2017-10815 — High (CVSS 8.1): MaLion for Windows 5.2.1 and earlier (only when "Remote Control" is installed) and MaLion for Mac 4.0.1 to 5.2.1 (only…

All CVEs affecting Intercom Malion →

Other CWE-295 (Improper Certificate Validation) vulnerabilities

CVE-2026-4370 — Critical (CVSS 10.0): A vulnerability was identified in Juju from version 3.2.0 until 3.6.19 and from version 4.0 until 4.0.4, where the…
CVE-2026-30836 — Critical (CVSS 10.0): Step CA is an online certificate authority for secure, automated certificate management for DevOps. Versions 0.30.0-rc6…
CVE-2025-68121 — Critical (CVSS 10.0): During session resumption in crypto/tls, if the underlying Config has its ClientCAs or RootCAs fields mutated between…
CVE-2022-20703 — Critical (CVSS 10.0): Multiple vulnerabilities in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an attacker…
CVE-2021-1471 — Critical (CVSS 9.9): Multiple vulnerabilities in Cisco Jabber for Windows, Cisco Jabber for MacOS, and Cisco Jabber for mobile platforms…
CVE-2026-20184 — Critical (CVSS 9.8): A vulnerability in the integration of single sign-on (SSO) with Control Hub in Cisco Webex Services could have allowed…

Browse all CWE-295 (Improper Certificate Validation) vulnerabilities →