Vulnerability Name:

CVE-2021-20490 (CCN-197791)

Assigned:2020-12-17
Published:2021-06-28
Updated:2021-06-30
Summary:IBM Spectrum Protect Plus 10.1.0 through 10.1.8 could allow a local user to cause a denial of service due to insecure file permission settings. IBM X-Force ID: 197791.
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)
4.8 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:O/RC:C)
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:O/RC:C)
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 Type:CWE-276
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2021-20490

Source: XF
Type: UNKNOWN
ibm-spectrum-cve202120490-dos(197791)

Source: XF
Type: VDB Entry, Vendor Advisory
ibm-spectrum-cve202120490-dos (197791)

Source: CCN
Type: IBM Security Bulletin 6466609 (Spectrum Protect Plus)
IBM Spectrum Protect Plus has Insecure File Permissions due to not setting the Sticky Bit (CVE-2021-20490)

Source: CONFIRM
Type: Vendor Advisory
https://www.ibm.com/support/pages/node/6466609

Vulnerable Configuration:Configuration 1:
  • cpe:/a:ibm:spectrum_protect_plus:*:*:*:*:*:*:*:* (Version >= 10.1.0 and <= 10.1.8)
  • AND
  • cpe:/o:linux:linux_kernel:-:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:ibm:spectrum_protect_plus:10.1.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    ibm spectrum protect plus *
    linux linux kernel -
    ibm spectrum protect plus 10.1.0