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CVE-2021-22982

HIGHCVSS 7.2/10EPSS 0.99%

Last modified

CVE-2021-22982 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. On BIG-IP DNS and GTM version 13.1.x before 13.1.0.4, and all versions of 12.1.x and 11.6.x, big3d does not securely handle and parse certain payloads resulting in a buffer overflow. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.. EPSS estimates a 0.99% chance of exploitation in the next 30 days.

Description

On BIG-IP DNS and GTM version 13.1.x before 13.1.0.4, and all versions of 12.1.x and 11.6.x, big3d does not securely handle and parse certain payloads resulting in a buffer overflow. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.

Metrics

CVSS 3.1
7.2/10

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

EPSS Probability
0.99%

58.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
F5Big-Ip Domain Name System>= 12.1.0, <= 12.1.5
F5Big-Ip Domain Name System>= 13.1.0, < 13.1.0.4
F5Big-Ip Global Traffic Manager>= 11.6.1, <= 11.6.5

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-22982?
On BIG-IP DNS and GTM version 13.1.x before 13.1.0.4, and all versions of 12.1.x and 11.6.x, big3d does not securely handle and parse certain payloads resulting in a buffer overflow. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.
How severe is CVE-2021-22982?
CVE-2021-22982 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 0.99% probability of exploitation in the next 30 days.
How do I fix CVE-2021-22982?
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-2021-22982?

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

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Source: NVD / NIST