How severe is CVE-2018-1127?

CVE-2018-1127 has a CVSS 3.x base score of 4.2, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2018-1127 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-1127?

CVE-2018-1127 affects Redhat Gluster Storage. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-1127?

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

When was CVE-2018-1127 published?

CVE-2018-1127 was published on 2018-09-11 and last updated on 2026-06-17.

CVE-2018-1127

CVE-2018-1127 is a medium-severity vulnerability in Redhat Gluster Storage with a CVSS 3.x base score of 4.2. 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-384.

Key facts

Severity: Medium (CVSS 3.x base score 4.2)
CVSS v2: 6.8
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-384
Affected product: Redhat Gluster Storage
Published: 2018-09-11
Last modified: 2026-06-17

Description

Tendrl API in Red Hat Gluster Storage before 3.4.0 does not immediately remove session tokens after a user logs out. Session tokens remain active for a few minutes allowing attackers to replay tokens acquired via sniffing/MITM attacks and authenticate as the target user.

Frequently asked questions

What is CVE-2018-1127?: Tendrl API in Red Hat Gluster Storage before 3.4.0 does not immediately remove session tokens after a user logs out. Session tokens remain active for a few minutes allowing attackers to replay tokens acquired via sniffing/MITM attacks and authenticate as the target user.
How severe is CVE-2018-1127?: CVE-2018-1127 has a CVSS 3.x base score of 4.2, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2018-1127 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-1127?: CVE-2018-1127 affects Redhat Gluster Storage. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-1127?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-1127 published?: CVE-2018-1127 was published on 2018-09-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:redhat:gluster_storage:*:*:*:*:*:*:*:*

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