Low severity · published Dec 14, 2020
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…
3.7
CVSS
3.9%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.9% · higher than 90% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MA
macOS · Apple
11.0.1; 11.1; 11.2 · source: NVD
HT
https://github.com/curl/curl ·
7.73.0 and earlier · source: vendor
CD
Clustered Data Ontap · Netapp
All versions, or not specified · source: NVD
CB
Communications Billing And Revenue Management · Oracle
12.0.0.3.0 · source: NVD
CC
Communications Cloud Native Core Policy · Oracle
1.14.0 · source: NVD
CU
Curl · Haxx
through 7.73.0 · source: NVD
DL
Debian Linux · Debian
9.0; 10.0 · source: NVD
ES
Essbase · Oracle
21.2 · source: NVD
FE
Fedora · Fedoraproject
32; 33 · source: NVD
HB
Hci Bootstrap OS · Netapp
All versions, or not specified · source: NVD
HM
Hci Management Node · Netapp
All versions, or not specified · source: NVD
HS
Hci Storage Node · Netapp
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-8284
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-8284
Patch
https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
Vendor Advisory
https://curl.se/docs/CVE-2020-8284.html
Permissions Required
https://hackerone.com/reports/1040166
Mailing List
https://lists.debian.org/debian-lts-announce/2020/12/msg00029.html
Mailing List
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DAEHE2S2QLO4AO4MEEYL75NB7SAH5PSL/
Mailing List
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NZUVSQHN2ESHMJXNQ2Z7T2EELBB5HJXG/
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