CVE-2020-1700

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-02-07 · updated 2026-06-17
Weakness: CWE-400

Description

A flaw was found in the way the Ceph RGW Beast front-end handles unexpected disconnects. An authenticated attacker can abuse this flaw by making multiple disconnect attempts resulting in a permanent leak of a socket connection by radosgw. This flaw could lead to a denial of service condition by pile up of CLOSE_WAIT sockets, eventually leading to the exhaustion of available resources, preventing legitimate users from connecting to the system.

Affected products

Canonical Ubuntu Linux: 18.04, 19.10
Ceph: all versions
openSUSE Leap: 15.1
RedHat Openshift Container Storage: 4.2

References

http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00009.html
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1700
https://lists.debian.org/debian-lts-announce/2023/10/msg00034.html
https://usn.ubuntu.com/4304-1/
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00009.html
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1700
https://lists.debian.org/debian-lts-announce/2023/10/msg00034.html
https://usn.ubuntu.com/4304-1/

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