Security restrictions bypass in Palo Alto Network PAN-OS
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-1999 |
| CWE-ID | CWE-754 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Palo Alto PAN-OS Operating systems & Components / Operating system |
| Vendor | Palo Alto Networks, Inc. |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Improper Check for Unusual or Exceptional Conditions
EUVDB-ID: #VU48409
Risk: Medium
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-1999
CWE-ID:
CWE-754 - Improper Check for Unusual or Exceptional Conditions
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to incorrect processing of exceptional conditions in the PAN-OS signature-based threat detection engine. A remote non-authenticated attacker can communicate with devices in the network in a way that is not analyzed for threats by sending data through specifically crafted TCP packets.
MitigationInstall updates from vendor's website.
Vulnerable software versionsPalo Alto PAN-OS: 7.1 - 9.1.4
External linkshttp://security.paloaltonetworks.com/CVE-2020-1999
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
