CVE-2021-28373

CVSS V2 Medium 5 CVSS V3 High 7.5
Description
The auth_internal plugin in Tiny Tiny RSS (aka tt-rss) before 2021-03-12 allows an attacker to log in via the OTP code without a valid password. NOTE: this issue only affected the git master branch for a short time. However, all end users are explicitly directed to use the git master branch in production. Semantic version numbers such as 21.03 appear to exist, but are automatically generated from the year and month. They are not releases.
Overview
  • CVE ID
  • CVE-2021-28373
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-03-13T21:15:14
  • Last Modified Date
  • 2021-03-18T16:33:36
Weakness Enumerations
CWE URL
CWE-863 http://cwe.mitre.org/data/definitions/863.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:tt-rss:tiny_tiny_rss:*:*:*:*:*:*:*:* 1 OR 2021-03-12
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:P/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • NONE
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://community.tt-rss.org/t/check-password-not-called-if-otp-is-enabled-update-asap-if-youre-using-2fa/4502 Issue Tracking Patch Vendor Advisory
https://git.tt-rss.org/fox/tt-rss/commit/4949e1a59059d9e72ba7a98f783cec312c06c6d2 Patch Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-28373
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28373
History
Created Old Value New Value Data Type Notes
2022-05-10 07:19:28 Added to TrackCVE
2022-12-05 23:43:38 2021-03-13T21:15Z 2021-03-13T21:15:14 CVE Published Date updated
2022-12-05 23:43:38 2021-03-18T16:33:36 CVE Modified Date updated
2022-12-05 23:43:38 Analyzed Vulnerability Status updated