A vulnerability was found in FreeIPA in how the initial implementation of MS-SFU by MIT Kerberos was missing a condition for granting the "forwardable" flag on S4U2Self tickets. Fixing this mistake required adding a special case for the check_allowed_to_delegate() function: If the target service argument is NULL, then it means the KDC is probing for general constrained delegation rules and not checking a specific S4U2Proxy request. In FreeIPA 4.11.0, the behavior of ipadb_match_acl() was modified to match the changes from upstream MIT Kerberos 1.20. However, a mistake resulting in this mechanism applies in cases where the target service argument is set AND where it is unset. This results in S4U2Proxy requests being accepted regardless of whether or not there is a matching service delegation rule.
CVE-2024-2698
This high-severity CVE scores 8.8 under NVD CVSS v3. EPSS exploit probability: 0.7%, top 52% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.
- High severity, but no confirmed exploitation yet
A fix is available — apply it.
- CVSS v3
- 8.8
- EG Score
- 8.8(medium)
- EG Risk
- 40(Track)EG Risk 40/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity88% × 45%Exploitation1% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS
- 48.1%
- KEV
- Not listed
Published
June 12, 2024
Last Modified
November 24, 2024
References (15)
- secalert@redhathttps://access.redhat.com/errata/RHSA-2024:3754
- secalert@redhathttps://access.redhat.com/errata/RHSA-2024:3755
- secalert@redhathttps://access.redhat.com/errata/RHSA-2024:3757
- secalert@redhathttps://access.redhat.com/errata/RHSA-2024:3759
- secalert@redhathttps://access.redhat.com/security/cve/CVE-2024-2698
- secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=2270353
- secalert@redhathttps://www.freeipa.org/release-notes/4-12-1.html
- af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:3754
- af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:3755
- af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:3757
- af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:3759
- af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/security/cve/CVE-2024-2698
- af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=2270353
- af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/[email protected]/message/WT3JL7JQDIAFKKEFARWYES7GZNWGQNCI/
- af854a3a-2127-422b-91ae-364da2661108https://www.freeipa.org/release-notes/4-12-1.html
Vendor Advisories for CVE-2024-2698(4)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
- RHSA-2024:3757Red Hat Product SecurityHigh
Red Hat Security Advisory: ipa security update
- RHSA-2024:3759Red Hat Product SecurityHigh
Red Hat Security Advisory: idm:DL1 security update
- RHSA-2024:3755Red Hat Product SecurityHigh
Red Hat Security Advisory: idm:DL1 security update
- RHSA-2024:3754Red Hat Product SecurityHigh
Red Hat Security Advisory: ipa security update
Patch Availability(4)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| redhat | idm:DL1-8100020240528133707.823393f5 | 2024-06-10 | redhat |
| redhat | idm:DL1-8080020240530051744.b0a6ceea | 2024-06-10 | redhat |
| redhat | ipa-0:4.11.0-15.el9_4 | 2024-06-10 | redhat |
| redhat | ipa-0:4.10.1-12.el9_2.2 | 2024-06-10 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 11× in last 7d / 49× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 109 total refreshes for this CVE.
- 2026-07-23 02:35 UTCEG score recompute▲ 1.70
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Frequently asked(5)
What is CVE-2024-2698?
When was CVE-2024-2698 disclosed?
Is CVE-2024-2698 actively exploited?
What is the CVSS score of CVE-2024-2698?
How do I remediate CVE-2024-2698?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2024-2698
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