CVE-2020-8284: apple mac_os_x
CVSS: 4.3v2.0MediumModified
AliasesALPINE-CVE-2020-8284UBUNTU-CVE-2020-8284DEBIAN-CVE-2020-8284
Published 14-12-2020Last modified 14-10-2026
Vulnerability summary
CVE-2020-8284 is a medium (CVSS 4.3) vulnerability in apple mac_os_x. EPSS estimates a 3.90% chance of exploitation in the next 30 days, higher than 90.1% of scored vulnerabilities.
CVSS score
4.3/10
010
Medium · v2.0 (NVD)EPSS score
3.90%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 15 · Related 10Timeline
- 14-12-2020PublishedVulnerability first disclosed.
- 14-10-2026Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
6 scores · 5 sources · 2 versionsLow 3.7Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:NSourcesAll 5 agree
- OSV · AlpineEcosystem advisory · calculated3.7LowCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
- OSV · UbuntuEcosystem advisory · calculated3.7LowCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
- OSV · DebianEcosystem advisory · calculated3.7LowCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
- NVDNIST3.7LowCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:N/A:NSourcesSingle source
EPSS trend
Probability
3.90%
Chance of exploitation in the next 30 days
Percentile
90%
Versus all other CVEs
30-day change
0.00 pp
From 3.90% on 18-09-2026
18-09-202618-10-2026
EPSS score3.90%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Fujitsu6 products
- m10-1_firmware< xcp2410 | < xcp3110
- m10-4_firmware< xcp2410 | < xcp3110
- m10-4s_firmware< xcp2410 | < xcp3110
- m12-1_firmware< xcp2410 | < xcp3110
- m12-2_firmware< xcp2410 | < xcp3110
Netapp5 products
Oracle4 products
Apple2 products
- mac_os_x≥ 10.14.0, < 10.14.6 | ≥ 10.15, < 10.15.7 | 10.14.6:security_update_2019-001 | 10.14.6:security_update_2019-002 | 10.14.6:security_update_2019-004 | 10.14.6:security_update_2019-005 | 10.14.6:security_update_2019-006 | 10.14.6:security_update_2019-007 | 10.14.6:security_update_2020-001 | 10.14.6:security_update_2020-002 | 10.14.6:security_update_2020-003 | 10.14.6:security_update_2020-004 | 10.14.6:security_update_2020-005 | 10.14.6:security_update_2020-006 | 10.14.6:security_update_2020-007 | 10.14.6:security_update_2021-001 | 10.14.6:security_update_2021-002 | 10.14.6:supplemental_update | 10.14.6:supplemental_update_2 | 10.15.7 | 10.15.7:security_update_2020 | 10.15.7:security_update_2020-001 | 10.15.7:security_update_2020-005 | 10.15.7:security_update_2020-007 | 10.15.7:security_update_2021-001 | 10.15.7:supplemental_update
- macosEOL11.0.1 | 11.1 | 11.2
Debian2 products
- curl< 7.74.0-1
- debian_linuxEOL9.0 | 10.0
Alpine1 product
- curl< 7.79.0-r0 | < 7.74.0-r0
Fedoraproject1 product
- fedoraEOL32 | 33
Haxx1 product
- curl≤ 7.73.0
Siemens1 product
Splunk1 product
- universal_forwarder≥ 8.2.0, < 8.2.12 | ≥ 9.0.0, < 9.0.6 | 9.1.0
Ubuntu1 product
- curl< 7.35.0-1ubuntu2.20+esm6 | < 7.47.0-1ubuntu2.18 | < 7.58.0-2ubuntu3.12 | < 7.68.0-1ubuntu2.4
11 vendors · 25 products
References
25 links
lists.debian.org/debian-lts-announce/2020/12/msg00029.htmlMailing ListX Refsource MLISTThird Party Advisory
