CVE-2020-8164
A deserialization of untrusted data vulnerability exists in rails < 5.2.4.3, rails < 6.0.3.1 which can allow an attacker to supply information can be inadvertently leaked fromStrong Parameters.
02 Description
A deserialization of untrusted data vulnerability exists in rails < 5.2.4.3, rails < 6.0.3.1 which can allow an attacker to supply information can be inadvertently leaked fromStrong Parameters.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 4.88% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 91.8% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2020-06-19 17:04Z6 YR AGO
- Last updated
- 2024-08-04 09:48Z2 YR AGO
- Reserved
- 2020-01-28
- Assigning CNA
- hackerone
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- 31889ef58027aa2c7ce6896ceeb55dce187a32a2a00b3c407ecb652095eb0ce5
05 Affected products
06 References
- hackerone.comhttps://hackerone.com/reports/292797
- groups.google.comhttps://groups.google.com/g/rubyonrails-security/c/f6ioe4sdpbY
- lists.debian.org[debian-lts-announce] 20200619 [SECURITY] [DLA 2251-1] rails security updatehttps://lists.debian.org/debian-lts-announce/2020/06/msg00022.html
- lists.debian.org[debian-lts-announce] 20200720 [SECURITY] [DLA 2282-1] rails security updatehttps://lists.debian.org/debian-lts-announce/2020/07/msg00013.html
- www.debian.orgDSA-4766https://www.debian.org/security/2020/dsa-4766
- lists.opensuse.orgopenSUSE-SU-2020:1533http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00089.html
- lists.opensuse.orgopenSUSE-SU-2020:1536http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00093.html
- lists.opensuse.orgopenSUSE-SU-2020:1575http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00107.html
07 Fixed in
Debian 12
- rails Fixed in 2:5.2.4.3+dfsg-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- rails Fixed in 2:5.2.4.3+dfsg-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- rails Fixed in 2:5.2.4.3+dfsg-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 16.04 LTS
- rails No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 18.04 LTS
- rails No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 20.04 LTS
- rails No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.