Information disclosure in Apple macOS
CVE-2020-8284
A malicious server can use the FTP PASV response to trick curl 7.73.0 and earlier into connecting back to a given IP address and port, and this way potentially make curl extract information about services that are otherwise private and not disclosed, for example doing port scanning and service banner extractions.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.039 (90.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 90.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.039 · newest: 0.039 · change: 0.000
Affected products
- Apple macOS — versions 11.0.1, 11.1, 11.2
- Apple Mac OS X — versions 10.14.6, 10.15.7
- Fujitsu M10-1
- Fujitsu M10-1 Firmware
- Fujitsu M10-4
- Fujitsu M10-4 Firmware
- Fujitsu M10-4s
- Fujitsu M10-4s Firmware
- Fujitsu M12-1
- Fujitsu M12-1 Firmware
Weakness classification (CWE)
Public proof-of-concept exploits
References
- hackerone.com/reports/1040166 (Permissions Required)
- curl.se/docs/CVE-2020-8284.html (Vendor Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory, Mailing List, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2020/12/msg00029.html (mailing-list, Mailing List, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory, Mailing List, Third Party Advisory)
- security.gentoo.org/glsa/202012-14 (vendor-advisory, Third Party Advisory)
- www.debian.org/security/2021/dsa-4881 (vendor-advisory, Third Party Advisory)
- www.oracle.com/security-alerts/cpuApr2021.html (Patch, Third Party Advisory)
- security.netapp.com/advisory/ntap-20210122-0007/ (Third Party Advisory)
- support.apple.com/kb/HT212325 (Third Party Advisory)
Frequently asked questions
- What is CVE-2020-8284?
- CVE-2020-8284 is a low-severity vulnerability in Apple macOS, classified under Information Disclosure. CVSS score: 3.7/10. Published 2020-12-14.
- How severe is CVE-2020-8284?
- Low severity. CVSS v3 base score is 3.7 out of 10.
- Is CVE-2020-8284 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.