How severe is CVE-2017-9797?

CVE-2017-9797 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability high.

Is CVE-2017-9797 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-9797?

CVE-2017-9797 affects Apache Geode. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-9797?

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

When was CVE-2017-9797 published?

CVE-2017-9797 was published on 2017-10-03 and last updated on 2026-06-17.

CVE-2017-9797

CVE-2017-9797 is a medium-severity vulnerability in Apache Geode with a CVSS 3.x base score of 6.5. 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-200.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 5.8
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Apache Geode
Published: 2017-10-03
Last modified: 2026-06-17

Description

When an Apache Geode cluster before v1.2.1 is operating in secure mode, an unauthenticated client can enter multi-user authentication mode and send metadata messages. These metadata operations could leak information about application data types. In addition, an attacker could perform a denial of service attack on the cluster.

Frequently asked questions

What is CVE-2017-9797?: When an Apache Geode cluster before v1.2.1 is operating in secure mode, an unauthenticated client can enter multi-user authentication mode and send metadata messages. These metadata operations could leak information about application data types. In addition, an attacker could perform a denial of service attack on the cluster.
How severe is CVE-2017-9797?: CVE-2017-9797 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability high.
Is CVE-2017-9797 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-9797?: CVE-2017-9797 affects Apache Geode. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-9797?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-9797 published?: CVE-2017-9797 was published on 2017-10-03 and last updated on 2026-06-17.

References

http://mail-archives.apache.org/mod_mbox/geode-user/201709.mbox/%3cCAEwge-Hrbb7JS8Nygrh7geyFvW4bMZ3AdCmPOzMfvbniipz0bA%40mail.gmail.com%3e

Affected products (1)

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

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