CVE-2020-1999
CVSS V2 Medium 5
CVSS V3 Medium 5.3
Description
A vulnerability exists in the Palo Alto Network PAN-OS signature-based threat detection engine that allows an attacker to communicate with devices in the network in a way that is not analyzed for threats by sending data through specifically crafted TCP packets. This technique evades signature-based threat detection. This issue impacts: PAN-OS 8.1 versions earlier than 8.1.17; PAN-OS 9.0 versions earlier than 9.0.11; PAN-OS 9.1 versions earlier than 9.1.5; All versions of PAN-OS 7.1 and PAN-OS 8.0.
Overview
- CVE ID
- CVE-2020-1999
- Assigner
- psirt@paloaltonetworks.com
- Vulnerability Status
- Analyzed
- Published Version
- 2020-11-12T00:15:10
- Last Modified Date
- 2020-11-16T21:28:40
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:* | 1 | OR | 7.1.0 | 7.1.26 |
| cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:* | 1 | OR | 8.0.0 | 8.0.20 |
| cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:* | 1 | OR | 8.1.0 | 8.1.17 |
| cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:* | 1 | OR | 9.0.0 | 9.0.11 |
| cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:* | 1 | OR | 9.1.0 | 9.1.5 |
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:L/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 5.3
- Base Severity
- MEDIUM
- Exploitability Score
- 3.9
- Impact Score
- 1.4
References
| Reference URL | Reference Tags |
|---|---|
| https://security.paloaltonetworks.com/CVE-2020-1999 | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-1999 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1999 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 16:19:42 | Added to TrackCVE | |||
| 2022-12-05 16:34:10 | 2020-11-12T00:15Z | 2020-11-12T00:15:10 | CVE Published Date | updated |
| 2022-12-05 16:34:10 | 2020-11-16T21:28:40 | CVE Modified Date | updated | |
| 2022-12-05 16:34:10 | Analyzed | Vulnerability Status | updated |