SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-1129

An attacker having access to ceph cluster network who is able to alter the message payload was able to bypass signature checks done by cephx protocol.

MEDIUM 6.5EPSS 1.90%

Does this matter?

Lower severity and a low EPSS score (1.90%). Track it; it rarely justifies an emergency change on its own.

Description

A flaw was found in the way signature calculation was handled by cephx authentication protocol. An attacker having access to ceph cluster network who is able to alter the message payload was able to bypass signature checks done by cephx protocol. Ceph branches master, mimic, luminous and jewel are believed to be vulnerable.

CVSS 3.0
6.5 MEDIUMCVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS
1.90% probability · 80th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-284, CWE-287
Affected
redhat/ceph storage · redhat/ceph storage mon · redhat/ceph storage osd · redhat/enterprise linux · redhat/enterprise linux desktop · redhat/enterprise linux server · redhat/enterprise linux workstation · ceph/ceph · debian/debian linux · opensuse/leap
Source
secalert@redhat.com
EPSS trend
0%3%5%27 October 2026: 1.90%27 October 202627 October 2026

EPSS 1.9% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.