HIGH
CVE-2020-8184
CWE-784Published: June 19, 2020· Updated: Jun 17, 2026
7.5
CVSS v3.1
Official Description
A reliance on cookies without validation/integrity check security vulnerability exists in rack < 2.2.3, rack < 2.1.4 that makes it is possible for an attacker to forge a secure or host-only cookie prefix.
Technical Analysis
CVE-2020-8184 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in full integrity compromise (data manipulation), with a CVSS base score of 7.5.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Affected Vendors & Products
Canonical1 product(s)
ubuntu linux
Debian1 product(s)
debian linux
rack_project1 product(s)
rack
Source: NVD CPE · 4 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
ADVISORYhttps://usn.ubuntu.com/4561-1/
ADVISORYhttps://usn.ubuntu.com/4561-1/
All References (10)
→
https://groups.google.com/g/rubyonrails-security/c/OWtmozPH9AkMailing List · Patch · Third Party Advisory
→
https://hackerone.com/reports/895727Exploit · Patch · Third Party Advisory
→
https://lists.debian.org/debian-lts-announce/2020/07/msg00006.htmlMailing List · Third Party Advisory
→
https://lists.debian.org/debian-lts-announce/2023/01/msg00038.htmlMailing List · Third Party Advisory
→
https://usn.ubuntu.com/4561-1/Third Party Advisory
→
https://groups.google.com/g/rubyonrails-security/c/OWtmozPH9AkMailing List · Patch · Third Party Advisory
→
https://hackerone.com/reports/895727Exploit · Patch · Third Party Advisory
→
https://lists.debian.org/debian-lts-announce/2020/07/msg00006.htmlMailing List · Third Party Advisory
→
https://lists.debian.org/debian-lts-announce/2023/01/msg00038.htmlMailing List · Third Party Advisory
→
https://usn.ubuntu.com/4561-1/Third Party Advisory
Quick Facts
CVE IDCVE-2020-8184
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-784
CISA KEVNo
Affected3 vendor(s)
PublishedJun 19, 2020
Related CVEs (CWE-784)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2020-8184 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.