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.
CVE-2017-13872
Score elevated to 8.2 because EPSS predicts 37% probability of exploitation within the next 30 days (top 1.6% of all CVEs). NVD baseline CVSS 8.1 retained for reference. Confidence: see factors.
- Public exploit code is available (Metasploit, Exploit-DB (verified), epss top5pct, public exploit)
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 8.1
- EG Score
- 8.2(high)
- EG Risk
- 67(Track)EG Risk 67/100SSVC: 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 computedSeverity82% × 45%Exploitation65% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 37%
- EPSS %ILE
- 98%
- KEV
- Not listed
Published
November 29, 2017
Last Modified
June 17, 2026
References (20)
- product-security@applehttp://www.securityfocus.com/bid/101981
- product-security@applehttp://www.securitytracker.com/id/1039875
- product-security@applehttps://arstechnica.com/information-technology/2017/11/macos-bug-lets-you-log-in-as-admin-with-no-password-required/
- product-security@applehttps://github.com/rapid7/metasploit-framework/pull/9302
- product-security@applehttps://objective-see.com/blog/blog_0x24.html
- product-security@applehttps://support.apple.com/HT208315
- product-security@applehttps://support.apple.com/HT208331
- product-security@applehttps://www.exploit-db.com/exploits/43201/
- product-security@applehttps://www.exploit-db.com/exploits/43248/
- product-security@applehttps://www.wired.com/story/macos-update-undoes-apple-root-bug-patch/
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/101981
- af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1039875
- af854a3a-2127-422b-91ae-364da2661108https://arstechnica.com/information-technology/2017/11/macos-bug-lets-you-log-in-as-admin-with-no-password-required/
- af854a3a-2127-422b-91ae-364da2661108https://github.com/rapid7/metasploit-framework/pull/9302
- af854a3a-2127-422b-91ae-364da2661108https://objective-see.com/blog/blog_0x24.html
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 7× in last 7d / 30× 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.
- 2026-07-28 15:32 UTCEPSS rescore
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- 2026-07-23 01:27 UTCEG score recompute▲ 0.10
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- 2026-05-22 07:38 UTCEG score recompute
- 2026-05-22 07:38 UTCGHSA enrichment
- 2026-05-18 21:30 UTCEPSS rescore
- 2026-05-18 21:30 UTCEPSS rescore
Publicly available exploits
(4 references)Working exploit code is in the public domain (2 Metasploit modules) (2 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- Exploit-DBEDB-43201✓ verifiedFirst seen Nov 30, 2017
Apple macOS 10.13.1 (High Sierra) - 'Blank Root' Local Privilege Escalation (Metasploit)
Open source ↗ - Metasploitexploit/osx/local/root_no_password✓ verifiedFirst seen Nov 29, 2017
Mac OS X Root Privilege Escalation
Open source ↗ - Exploit-DBEDB-43248✓ verifiedFirst seen Nov 28, 2017
Apple macOS 10.13.1 (High Sierra) - 'Blank Root' Local Privilege Escalation
Open source ↗ - Metasploitauxiliary/scanner/vnc/ard_root_pw✓ verifiedFirst seen Jan 1, 2017
Apple Remote Desktop Root Vulnerability
Open source ↗
Related CVEs(same CWE)
Same CWE
10 shownCWE-287
Frequently asked(5)
What is CVE-2017-13872?
When was CVE-2017-13872 disclosed?
Is CVE-2017-13872 actively exploited?
What is the CVSS score of CVE-2017-13872?
How do I remediate CVE-2017-13872?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2017-13872
Is Your Infrastructure Affected by CVE-2017-13872?
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