The vulnerability of HTTP servers for Ruby/Rack applications developed with Puma arises from incorrect handling of characters such as CR, LF, /r, and /n before data is inserted into HTTP headers. This allows attackers to perform cross-site scripting attacks.
🗓️ 28 Aug 2020 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 8 Views
| Reporter | Title | Published | Views | Family All 91 |
|---|---|---|---|---|
 | CVE-2020-5247 | 28 Feb 202017:15 | – | attackerkb |
 | CVE-2020-5247 affecting package ruby 2.6.3-3 | 9 Jun 202103:50 | – | cbl_mariner |
 | CVE-2020-5247 | 28 Feb 202016:55 | – | cve |
 | CVE-2020-5247 HTTP Response Splitting in Puma | 28 Feb 202016:55 | – | cvelist |
 | [SECURITY] [DLA 3023-1] puma security update | 25 May 202222:50 | – | debian |
 | CVE-2020-5247 | 28 Feb 202016:55 | – | debiancve |
 | Debian DLA-3023-1 : puma - LTS security update | 26 May 202200:00 | – | nessus |
| Fedora 30 : rubygem-puma (2020-08092b4c97) | 10 Apr 202000:00 | – | nessus |
| Fedora 31 : rubygem-puma (2020-fd87f90634) | 10 Apr 202000:00 | – | nessus |
| openSUSE Security Update : rmt-server (openSUSE-2020-1993) | 23 Nov 202000:00 | – | nessus |
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17 Oct 2022 00:00Current
6.5Medium risk
Vulners AI Score6.5
CVSS 36.5
CVSS 27.5
EPSS0.02549