CVE-2021-20031

MEDIUMCVSS 6.1/10EPSS 13.04%

Last modified

CVE-2021-20031 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. A Host Header Redirection vulnerability in SonicOS potentially allows a remote attacker to redirect firewall management users to arbitrary web domains.. EPSS estimates a 13.04% chance of exploitation in the next 30 days.

Description

A Host Header Redirection vulnerability in SonicOS potentially allows a remote attacker to redirect firewall management users to arbitrary web domains.

Metrics

CVSS 3.1
6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability
13.04%

95.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
SonicwallSonicos<= 7.0.1-r1262
SonicwallSonicos<= 7.0.1-r1283
SonicwallSonicos<= 7.0.1-r579
SonicwallSonicos<= 6.5.4.7
SonicwallSonicos<= 6.5.1.12
SonicwallSonicos<= 6.0.5.3-94o
SonicwallSonicos<= 5.9.1.13

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-20031?
A Host Header Redirection vulnerability in SonicOS potentially allows a remote attacker to redirect firewall management users to arbitrary web domains.
How severe is CVE-2021-20031?
CVE-2021-20031 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 13.04% probability of exploitation in the next 30 days.
How do I fix CVE-2021-20031?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-20031?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST