Strix
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CVE-2020-8299

MEDIUMCVSS 6.5/10EPSS 0.42%

Last modified

CVE-2020-8299 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Citrix ADC and Citrix/NetScaler Gateway 13.0 before 13.0-76.29, 12.1-61.18, 11.1-65.20, Citrix ADC 12.1-FIPS before 12.1-55.238, and Citrix SD-WAN WANOP Edition before 11.4.0, 11.3.2, 11.3.1a, 11.2.3a, 11.1.2c, 10.2.9a suffers from uncontrolled resource consumption by way of a network-based denial-of-service from within the same Layer 2 network segment. Note that the attacker must be in the same Layer 2 network segment as the vulnerable appliance.. EPSS estimates a 0.42% chance of exploitation in the next 30 days.

Description

Citrix ADC and Citrix/NetScaler Gateway 13.0 before 13.0-76.29, 12.1-61.18, 11.1-65.20, Citrix ADC 12.1-FIPS before 12.1-55.238, and Citrix SD-WAN WANOP Edition before 11.4.0, 11.3.2, 11.3.1a, 11.2.3a, 11.1.2c, 10.2.9a suffers from uncontrolled resource consumption by way of a network-based denial-of-service from within the same Layer 2 network segment. Note that the attacker must be in the same Layer 2 network segment as the vulnerable appliance.

Metrics

CVSS 3.1
6.5/10

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

EPSS Probability
0.42%

33.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CitrixGateway>= 12.1, < 12.1-61.18
CitrixGateway>= 13.0, < 13.0-76.29
CitrixNetscaler Gateway>= 11.1, < 11.1-65.20
CitrixApplication Delivery Controller Firmware>= 11.1, < 11.1-65.20
CitrixApplication Delivery Controller Firmware>= 12.1, < 12.1-61.18
CitrixApplication Delivery Controller Firmware>= 13.0, < 13.0-76.29
CitrixApplication Delivery Controller Firmware>= 12.1, < 12.1-55.238
CitrixSd-Wan Wanop>= 10.2, < 10.2.9a
CitrixSd-Wan Wanop>= 11.1, < 11.1.2c
CitrixSd-Wan Wanop>= 11.2, < 11.2.3a
CitrixSd-Wan Wanop>= 11.3, < 11.3.2

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-8299?
Citrix ADC and Citrix/NetScaler Gateway 13.0 before 13.0-76.29, 12.1-61.18, 11.1-65.20, Citrix ADC 12.1-FIPS before 12.1-55.238, and Citrix SD-WAN WANOP Edition before 11.4.0, 11.3.2, 11.3.1a, 11.2.3a, 11.1.2c, 10.2.9a suffers from uncontrolled resource consumption by way of a network-based denial-of-service from within the same Layer 2 network segment. Note that the attacker must be in the same Layer 2 network segment as the vulnerable appliance.
How severe is CVE-2020-8299?
CVE-2020-8299 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.42% probability of exploitation in the next 30 days.
How do I fix CVE-2020-8299?
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-2020-8299?

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

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Source: NVD / NIST