Risk | Low |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2021-3047 |
CWE-ID | CWE-338 |
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 low risk vulnerability.
EUVDB-ID: #VU55822
Risk: Low
CVSSv3.1: 4.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-3047
CWE-ID:
CWE-338 - Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)
Exploit availability: No
DescriptionThe vulnerability allows a remote user to impersonate sessions of other users.
The vulnerability exists due to usage of a weak pseudo-random number generator (PRNG) in PAN-OS web interface. A remote authenticated user with the capability to observe their own authentication secrets over a long duration on the PAN-OS appliance can impersonate another authenticated web interface administrator's session.
MitigationInstall updates from vendor's website.
Vulnerable software versionsPalo Alto PAN-OS: 8.1.0 - 10.0.3
External linkshttp://security.paloaltonetworks.com/CVE-2021-3047
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.