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UK Cyber Defence
VulnerabilityModified

CVE-2024-3183

A vulnerability was found in FreeIPA in a way when a Kerberos TGS-REQ is encrypted using the client’s session key.

HIGH 8.1EPSS 2.05%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.05%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A vulnerability was found in FreeIPA in a way when a Kerberos TGS-REQ is encrypted using the client’s session key. This key is different for each new session, which protects it from brute force attacks. However, the ticket it contains is encrypted using the target principal key directly. For user principals, this key is a hash of a public per-principal randomly-generated salt and the user’s password. If a principal is compromised it means the attacker would be able to retrieve tickets encrypted to any principal, all of them being encrypted by their own key directly. By taking these tickets and salts offline, the attacker could run brute force attacks to find character strings able to decrypt tickets when combined to a principal salt (i.e. find the principal’s password).

CVSS 3.1
8.1 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
EPSS
2.05% probability · 81th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-916
Affected
redhat/enterprise linux · redhat/enterprise linux aus · redhat/enterprise linux eus · redhat/enterprise linux tus · redhat/enterprise linux update services for sap solutions
Source
secalert@redhat.com
EPSS trend
0%3%5%26 October 2026: 2.05%26 October 202626 October 2026

EPSS 2.1% since 26 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.