RCE in Apple macOS
CVE-2020-8140
A code injection in Nextcloud Desktop Client 2.6.2 for macOS allowed to load arbitrary code when starting the client with DYLD_INSERT_LIBRARIES set in the environment.
Vulnerability class: RCE (Remote Code Execution)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.007 (50.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 50.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Apple macOS
- Nextcloud Desktop
- Desktop Client — versions Fixed in 2.6.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- hackerone.com/reports/633266 (Exploit, Third Party Advisory)
- nextcloud.com/security/advisory/ (Broken Link, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-8140?
- CVE-2020-8140 is a medium-severity vulnerability in Apple macOS, classified under Code Injection. CVSS score: 6.7/10. Published 2020-03-20.
- How severe is CVE-2020-8140?
- Medium severity. CVSS v3 base score is 6.7 out of 10.
- Is CVE-2020-8140 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.