Security readout for executives and security teams
Plain-English summary
MIT Kerberos 5 before 1.21.3 can mishandle malformed GSS message tokens and read memory it should not. The CVSS vector says a remote, unauthenticated attacker needs no user interaction. Business impact is potential sensitive memory exposure and service disruption where vulnerable krb5 or embedded Kerberos components are reachable.
Executive priority
Prioritize remediation for internet-exposed, authentication-critical, and vendor-appliance environments. The issue is critical because it is remote, unauthenticated, and can affect confidentiality and availability, but current sources do not prove active exploitation.
Technical view
CVE-2024-37371 is a CWE-125 out-of-bounds read in MIT krb5 GSS message token handling. Invalid length fields can trigger invalid memory reads. The record rates it CVSS 9.1 with high confidentiality and availability impact, no integrity impact. The bundle points to an upstream krb5 commit and states versions before 1.21.3 are affected.
Likely exposure
Exposure is most likely in systems running MIT Kerberos 5 before 1.21.3 or vendor products bundling krb5/GSSAPI. The provided CVE data does not enumerate CPEs. NetApp and Siemens advisories indicate downstream vendor assessment is needed for product-specific impact.
Exploitation context
The CVSS vector supports network-reachable, unauthenticated exploitation with low complexity and no user interaction. The source bundle does not show CISA KEV listing and provides no evidence of active exploitation. Do not assume exploitation is occurring without additional vendor or threat-intelligence confirmation.
Researcher notes
Focus validation on GSS token parsing paths and version provenance. The bundle lacks detailed affected CPEs and product matrices, so downstream vendor advisories are necessary. Avoid treating NetApp or Siemens references as universal impact without reading their product-specific status.
Mitigation direction
- Upgrade MIT Kerberos 5 to 1.21.3 or later where directly managed.
- Review NetApp and Siemens advisories for affected product versions and fixes.
- Inventory systems and appliances using krb5 or GSSAPI libraries.
- Limit exposure of Kerberos-related services to trusted networks where feasible.
- Monitor vendor guidance for any revised fixes or compensating controls.
Validation and detection
- Confirm installed krb5 package or source version on managed systems.
- Check SBOMs and appliance advisories for bundled MIT Kerberos 5.
- Verify patched builds include the upstream krb5 fix commit or equivalent.
- Review logs for abnormal Kerberos or GSSAPI service crashes.
- Confirm remediation status against NetApp and Siemens product matrices.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-125: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCredential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2024-37371 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H3.95.2CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
9.1CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://web.mit.edu/kerberos/www/advisories/CVE reference, mitre
- https://github.com/krb5/krb5/commit/55fbf435edbe2e92dd8101669b1ce7144bc96fefCVE reference, mitre
- https://security.netapp.com/advisory/ntap-20241108-0009/CVE reference, CVE
- https://security.netapp.com/advisory/ntap-20250124-0010/CVE reference, CVE
- https://cert-portal.siemens.com/productcert/html/ssa-082556.htmlCVE reference, siemens-SADP
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Out-of-bounds Read
Out-of-bounds Read represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.