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CVE-2020-8430

MEDIUMCVSS 6.1/10EPSS 0.92%

Last modified

CVE-2020-8430 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. Stormshield Network Security 310 3.7.10 devices have an auth/lang.html?rurl= Open Redirect vulnerability on the captive portal. For example, the attacker can use rurl=//example.com instead of rurl=https://example.com in the query string.. EPSS estimates a 0.92% chance of exploitation in the next 30 days.

Description

Stormshield Network Security 310 3.7.10 devices have an auth/lang.html?rurl= Open Redirect vulnerability on the captive portal. For example, the attacker can use rurl=//example.com instead of rurl=https://example.com in the query string.

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
0.92%

55.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
StormshieldStormshield Network Security>= 3.0.0, <= 3.7.10
StormshieldStormshield Network Security>= 3.8.0, <= 3.10.0
StormshieldStormshield Network Security>= 4.0.0, <= 4.0.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-8430?
Stormshield Network Security 310 3.7.10 devices have an auth/lang.html?rurl= Open Redirect vulnerability on the captive portal. For example, the attacker can use rurl=//example.com instead of rurl=https://example.com in the query string.
How severe is CVE-2020-8430?
CVE-2020-8430 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.92% probability of exploitation in the next 30 days.
How do I fix CVE-2020-8430?
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.

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Source: NVD / NIST