Skip to content
Fencer Intel
medium 4.2

CVE-2018-1127 json

Tendrl API in Red Hat Gluster Storage before 3.4.0 does not immediately remove session tokens after a user logs out.

published 2018-09-11 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-11771

cvss
4.2
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 69%
public exploits
0
none known

Summary

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.

Patch / fix

  • redhat gluster_storage 3.4
  • tendrl-ui storage 3.4 1.6.3-11.el7rhgs
  • tendrl-api storage 3.4 1.6.3-5.el7rhgs
  • python-flask storage 3.4 1:0.10.1-5.el7rhgs
  • tendrl-ansible storage 3.4 1.6.3-7.el7rhgs
  • tendrl-commons storage 3.4 1.6.3-12.el7rhgs
  • tendrl-notifier storage 3.4 1.6.3-4.el7rhgs
  • tendrl-api-httpd storage 3.4 1.6.3-5.el7rhgs
  • tendrl-node-agent storage 3.4 1.6.3-10.el7rhgs

red hat advisories RHSA-2018:2616

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-1127 updated cvss 4.2

tendrl-api: Improper cleanup of session token can allow attackers to hijack user sessions

  • Red Hat Gluster 3.4 Web Administration Node Agent on RHEL-7 tendrl-commons 1.6.3-12.el7rhgs, tendrl-node-agent 1.6.3-10.el7rhgs, tendrl-gluster-integration 1.6.3-10.el7rhgs Red Hat Gluster 3.4 Web Administration on RHEL-7 tendrl-api 1.6.3-5.el7rhgs, tendrl-ui 1.6.3-11.el7rhgs, python-flask 0.10.1-5.el7rhgs, python-itsdangerous 0.23-2.el7, tendrl-ansible 1.6.3-7.el7rhgs, tendrl-commons 1.6.3-12.el7rhgs, +5 more
    fixed: vendor fix RHSA-2018:2616

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.26% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.0 4.2 CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
NVD 3.0 8.1 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

  • Red Hat Red Hat Gluster Storage

Classification

Weakness
  • CWE-613 DEPRECATED: Insufficient Session Expiration
  • CWE-384 Session Fixation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.