Vulnerability Name:

CVE-2020-21468 (CCN-209994)

Assigned:2019-11-30
Published:2019-11-30
Updated:2021-09-28
Summary:** DISPUTED ** A segmentation fault in the redis-server component of Redis 5.0.7 leads to a denial of service (DOS).
Note: the vendor cannot reproduce this issue in a released version, such as 5.0.7.
CVSS v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.6 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
5.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
4.9 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-noinfo
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2020-21468

Source: MISC
Type: Vendor Advisory
http://redis.com

Source: XF
Type: UNKNOWN
redis-cve202021468-dos(209994)

Source: MISC
Type: Issue Tracking, Third Party Advisory
https://github.com/antirez/redis/issues/6633

Source: CCN
Type: Redis GIT Repository
Unexpected crash #6633

Vulnerable Configuration:Configuration 1:
  • cpe:/a:redislabs:redis:5.0.7:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:redislabs:redis:5.0.7:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    redislabs redis 5.0.7
    redislabs redis 5.0.7