Vulnerability Name:

CVE-2021-44647 (CCN-217081)

Assigned:2021-11-30
Published:2021-11-30
Updated:2023-05-03
Summary:
CVSS v3 Severity:5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
4.9 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/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): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
4.0 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
3.5 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Local
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): Low
CVSS v2 Severity:2.1 Low (CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
2.1 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2021-44647

Source: CCN
Type: lua Web site
lua

Source: cve@mitre.org
Type: Exploit, Mailing List, Vendor Advisory
cve@mitre.org

Source: CCN
Type: Lua Mailing List, Tue, 30 Nov 2021 15:11:36 -0300
Re: Crash : SEGV that occurs during error handling that occurs in the __close metamethod of to-be-closed after calling os.exit

Source: cve@mitre.org
Type: Mailing List, Patch, Vendor Advisory
cve@mitre.org

Source: cve@mitre.org
Type: Third Party Advisory
cve@mitre.org

Source: XF
Type: UNKNOWN
lua-cve202144647-dos(217081)

Source: cve@mitre.org
Type: Mailing List, Third Party Advisory
cve@mitre.org

Source: cve@mitre.org
Type: UNKNOWN
cve@mitre.org

Vulnerable Configuration:Configuration CCN 1:
  • cpe:/a:lua:lua:5.4.4:*:*:*:*:*:*:*
  • OR cpe:/a:lua:lua:5.4.2:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    lua lua 5.4.4
    lua lua 5.4.2