| Vulnerability Name: | CVE-2020-27717 (CCN-193760) |
| Assigned: | 2020-12-16 |
| Published: | 2020-12-16 |
| Updated: | 2020-12-28 |
| Summary: | On BIG-IP DNS 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, 14.1.0-14.1.3, 13.1.0-13.1.3.4, and 12.1.0-12.1.5.2, undisclosed series of DNS requests may cause TMM to restart and generate a core file.
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| 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)
6.5 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:O/RC:C)| 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 |
7.5 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (CCN 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:O/RC:C)| 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 |
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| CVSS v2 Severity: | 7.8 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)| Exploitability Metrics: | Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None | | Impact Metrics: | Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete |
7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)| Exploitability Metrics: | Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
| | Impact Metrics: | Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete |
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| Vulnerability Type: | CWE-noinfo
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| Vulnerability Consequences: | Denial of Service |
| References: | Source: MITRE
Type: CNA
CVE-2020-27717
Source: XF
Type: UNKNOWN
f5-cve202027717-dos(193760)
Source: CCN
Type: F5 Security Advisory K43850230
BIG-IP DNS vulnerability CVE-2020-27717
Source: MISC
Type: Vendor Advisory
https://support.f5.com/csp/article/K43850230
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| Vulnerable Configuration: | Configuration 1:
cpe:/a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* (Version >= 12.1.0 and <= 12.1.5)OR cpe:/a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* (Version >= 13.1.0 and < 13.1.3.5)OR cpe:/a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* (Version >= 14.1.0 and < 14.1.3.1)OR cpe:/a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* (Version >= 15.0.0 and < 15.1.1)OR cpe:/a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* (Version >= 16.0.0 and < 16.0.1)
Configuration CCN 1:
cpe:/a:f5:big-ip:12.1.0:*:*:*:*:*:*:*OR cpe:/o:f5:big-ip:12.1.5:*:*:*:*:*:*:*OR cpe:/a:f5:big-ip:13.1.0:*:*:*:*:*:*:*OR cpe:/o:f5:big-ip:13.1.3:*:*:*:*:*:*:*OR cpe:/a:f5:big-ip:14.1.0:*:*:*:*:*:*:*OR cpe:/o:f5:big-ip:15.1.0:*:*:*:*:*:*:*
 Denotes that component is vulnerable |
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