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,…
Does this matter?
Lower severity and a low EPSS score (3.90%). Track it; it rarely justifies an emergency change on its own.
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 3.1
- 3.7 LOWCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
- EPSS
- 3.90% probability · 90th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-200
- Affected
- haxx/curl · fedoraproject/fedora · debian/debian linux · netapp/clustered data ontap · netapp/hci management node · netapp/solidfire · netapp/hci storage node · netapp/hci bootstrap os · apple/mac os x · apple/macos · oracle/communications billing and revenue management · oracle/communications cloud native core policy · oracle/essbase · oracle/peoplesoft enterprise peopletools · fujitsu/m10-1 firmware · fujitsu/m10-4 firmware · fujitsu/m10-4s firmware · fujitsu/m12-1 firmware · fujitsu/m12-2 firmware · fujitsu/m12-2s firmware · +2 more
- Source
- support@hackerone.com
EPSS 3.9% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdfPatch, Third Party Advisory
- https://curl.se/docs/CVE-2020-8284.htmlVendor Advisory
- https://hackerone.com/reports/1040166Permissions Required
- https://lists.debian.org/debian-lts-announce/2020/12/msg00029.htmlMailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DAEHE2S2QLO4AO4MEEYL75NB7SAH5PSL/Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NZUVSQHN2ESHMJXNQ2Z7T2EELBB5HJXG/Mailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202012-14Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210122-0007/Third Party Advisory
- https://support.apple.com/kb/HT212325Third Party Advisory
- https://support.apple.com/kb/HT212326Third Party Advisory
- https://support.apple.com/kb/HT212327Third Party Advisory
- https://www.debian.org/security/2021/dsa-4881Third Party Advisory
- https://www.oracle.com//security-alerts/cpujul2021.htmlPatch, Third Party Advisory
- https://www.oracle.com/security-alerts/cpuApr2021.htmlPatch, Third Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory
- https://www.oracle.com/security-alerts/cpujan2022.htmlPatch, Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdfPatch, Third Party Advisory
- https://curl.se/docs/CVE-2020-8284.htmlVendor Advisory
- https://hackerone.com/reports/1040166Permissions Required
- https://lists.debian.org/debian-lts-announce/2020/12/msg00029.htmlMailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DAEHE2S2QLO4AO4MEEYL75NB7SAH5PSL/Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NZUVSQHN2ESHMJXNQ2Z7T2EELBB5HJXG/Mailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202012-14Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210122-0007/Third Party Advisory
- https://support.apple.com/kb/HT212325Third Party Advisory
- https://support.apple.com/kb/HT212326Third Party Advisory
- https://support.apple.com/kb/HT212327Third Party Advisory
- https://www.debian.org/security/2021/dsa-4881Third Party Advisory
- https://www.oracle.com//security-alerts/cpujul2021.htmlPatch, Third Party Advisory
- https://www.oracle.com/security-alerts/cpuApr2021.htmlPatch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.