How severe is CVE-2019-10091?

CVE-2019-10091 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2019-10091 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-10091?

CVE-2019-10091 affects Apache Geode. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-10091?

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

When was CVE-2019-10091 published?

CVE-2019-10091 was published on 2020-03-16 and last updated on 2026-06-17.

CVE-2019-10091

CVE-2019-10091 is a high-severity vulnerability in Apache Geode with a CVSS 3.x base score of 7.4. 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: High (CVSS 3.x base score 7.4)
CVSS v2: 4.0
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-295
Affected product: Apache Geode
Published: 2020-03-16
Last modified: 2026-06-17

Description

When TLS is enabled with ssl-endpoint-identification-enabled set to true, Apache Geode fails to perform hostname verification of the entries in the certificate SAN during the SSL handshake. This could compromise intra-cluster communication using a man-in-the-middle attack.

Frequently asked questions

What is CVE-2019-10091?: When TLS is enabled with ssl-endpoint-identification-enabled set to true, Apache Geode fails to perform hostname verification of the entries in the certificate SAN during the SSL handshake. This could compromise intra-cluster communication using a man-in-the-middle attack.
How severe is CVE-2019-10091?: CVE-2019-10091 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2019-10091 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-10091?: CVE-2019-10091 affects Apache Geode. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-10091?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-10091 published?: CVE-2019-10091 was published on 2020-03-16 and last updated on 2026-06-17.

References

https://lists.apache.org/thread.html/r3342077ac4798631300366be86e545d0c08753cca8fd2663867fe200%40%3Cdev.geode.apache.org%3E

Affected products (1)

cpe:2.3:a:apache:geode:1.9.0:*:*:*:*:*:*:*

More vulnerabilities in Apache Geode

CVE-2022-37021 — Critical (CVSS 9.8): Apache Geode versions up to 1.12.5, 1.13.4 and 1.14.0 are vulnerable to a deserialization of untrusted data flaw when…
CVE-2019-14892 — Critical (CVSS 9.8): A flaw was discovered in jackson-databind in versions before 2.9.10, 2.8.11.5 and 2.6.7.3, where it would permit…
CVE-2020-1938 — Critical (CVSS 9.8): When using the Apache JServ Protocol (AJP), care must be taken when trusting incoming connections to Apache Tomcat.…
CVE-2014-0048 — Critical (CVSS 9.8): An issue was found in Docker before 1.6.0. Some programs and scripts in Docker are downloaded via HTTP and then…
CVE-2017-15692 — Critical (CVSS 9.8): In Apache Geode before v1.4.0, the TcpServer within the Geode locator opens a network port that deserializes data. If…
CVE-2025-47410 — High (CVSS 8.8): Apache Geode is vulnerable to CSRF attacks through GET requests to the Management and Monitoring REST API that could…

All CVEs affecting Apache Geode →

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 →