Critical severity · published Jun 19, 2020
CVE-2020-8165
A deserialization of untrusted data vulnernerability exists in rails < 5.2.4.3, rails < 6.0.3.1 that can allow an attacker to unmarshal user-provided objects in MemCacheStore and…
9.8
CVSS
45.7%
EPSS
No
On KEV
Description
A deserialization of untrusted data vulnernerability exists in rails < 5.2.4.3, rails < 6.0.3.1 that can allow an attacker to unmarshal user-provided objects in MemCacheStore and RedisCacheStore potentially resulting in an RCE.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)45.7% · higher than 99% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
8.0; 9.0; 10.0 · source: NVD
LE
Leap · Opensuse
15.1; 15.2 · source: NVD
RA
Rails · Rubyonrails
before 5.2.4.3; 6.0.0 before 6.0.3.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-8165
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-8165
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00031.html
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00034.html
Mailing List
https://groups.google.com/g/rubyonrails-security/c/bv6fW4S0Y1c
Exploit
https://hackerone.com/reports/413388
Mailing List
https://lists.debian.org/debian-lts-announce/2020/06/msg00022.html
Mailing List
https://lists.debian.org/debian-lts-announce/2020/07/msg00013.html
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