An issue was discovered in certain Apple products. macOS High Sierra before Security Update 2017-001 is affected. The issue involves the "Directory Utility" component. It allows attackers to obtain administrator access without a password via certain interactions involving entry of the root user name.
Conclusion & alert: CVE-2017-13872 is rated High Exploit Risk (81.4/100): CVSS High severity, with high exploitation likelihood (EPSS 76.66%, 99th percentile). Core evidence: 4 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 43201 | exploit_db | edb | 2017-11-30 | Exploit-DB ↗ |
| 43248 | exploit_db | edb | 2017-11-28 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-06-15 | 77.28% | 76.66% | -0.61% |
| 2 | 2025-03-30 | 73.43% | 77.28% | +3.85% |
| 3 | 2025-03-29 | — | 73.43% | — |
Full EPSS history (25 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.1 | 3.0 | HIGH |
|
2.2 | 5.9 | [email protected] |
| 9.3 | 2.0 | HIGH |
|
8.6 | 10.0 | [email protected] |
| URL | Tags |
|---|---|
| http://www.securityfocus.com/bid/101981 | Third Party Advisory VDB Entry |
| http://www.securitytracker.com/id/1039875 | Third Party Advisory VDB Entry |
| https://arstechnica.com/information-technology/2017/11/macos-bug-lets-you-log-in-as-admin-with-no-password-required/ | Mitigation Third Party Advisory |
| https://github.com/rapid7/metasploit-framework/pull/9302 | |
| https://objective-see.com/blog/blog_0x24.html | Exploit Technical Description Third Party Advisory |
| https://support.apple.com/HT208315 | Vendor Advisory |
| https://support.apple.com/HT208331 | |
| https://www.exploit-db.com/exploits/43201/ | Exploit Third Party Advisory VDB Entry |
| https://www.exploit-db.com/exploits/43248/ | |
| https://www.wired.com/story/macos-update-undoes-apple-root-bug-patch/ | Press/Media Coverage Third Party Advisory |