VDB-151348 · CVE-2020-1981 · GCVE-0-2020-1981

Palo Alto PAN-OS up to 8.1.12 Temp File temp file

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.2	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Palo Alto PAN-OS up to 8.1.12. Affected is an unknown function of the component Temp File Handler. Executing a manipulation can lead to temp file. This vulnerability appears as CVE-2020-1981. The attack requires local access. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Palo Alto PAN-OS up to 8.1.12 (Firewall Software) and classified as critical. This vulnerability affects an unknown functionality of the component Temp File Handler. The manipulation with an unknown input leads to a temp file vulnerability. The CWE definition for the vulnerability is CWE-377. Creating and using insecure temporary files can leave application and system data vulnerable to attack. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A predictable temporary filename vulnerability in PAN-OS allows local privilege escalation. This issue allows a local attacker who bypassed the restricted shell to execute commands as a low privileged user and gain root access on the PAN-OS hardware or virtual appliance. This issue affects only PAN-OS 8.1 versions earlier than PAN-OS 8.1.13. This issue does not affect PAN-OS 7.1, PAN-OS 9.0, or later PAN-OS versions.

The weakness was presented 03/11/2020 (Website). The advisory is shared for download at security.paloaltonetworks.com. This vulnerability was named CVE-2020-1981 since 12/04/2019. The attack needs to be approached locally. The successful exploitation needs a single authentication. There are neither technical details nor an exploit publicly available.

Upgrading to version 8.1.13 eliminates this vulnerability.

See VDB-151347 and VDB-151346 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Firewall Software

Vendor

Palo Alto

Name

PAN-OS

Version

License

commercial

Website

Vendor: https://www.paloaltonetworks.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.0
NVD Vector: 🔍

CNA Base Score: 7.0
CNA Vector (Palo Alto Networks, Inc.): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Temp file
CWE: CWE-377
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: PAN-OS 8.1.13

Timelineinfo

12/04/2019 🔍
03/11/2020 +98 days 🔍
03/12/2020 +1 days 🔍
04/13/2024 +1493 days 🔍

Sourcesinfo

Vendor: paloaltonetworks.com

Advisory: security.paloaltonetworks.com
Status: Not defined

CVE: CVE-2020-1981 (🔍)
GCVE (CVE): GCVE-0-2020-1981
GCVE (VulDB): GCVE-100-151348
See also: 🔍

Entryinfo

Created: 03/12/2020 08:55
Updated: 04/13/2024 11:20
Changes: 03/12/2020 08:55 (40), 03/12/2020 09:00 (12), 04/13/2024 11:20 (34)
Complete: 🔍
Cache ID: 216::103