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CVE-2021-3121

HIGHCVSS 8.6/10EPSS 3.48%

Last modified

CVE-2021-3121 is a high-severity vulnerability rated 8.6/10 on the CVSS scale. An issue was discovered in GoGo Protobuf before 1.3.2. plugin/unmarshal/unmarshal.go lacks certain index validation, aka the "skippy peanut butter" issue.. EPSS estimates a 3.48% chance of exploitation in the next 30 days.

Description

An issue was discovered in GoGo Protobuf before 1.3.2. plugin/unmarshal/unmarshal.go lacks certain index validation, aka the "skippy peanut butter" issue.

Metrics

CVSS 3.1
8.6/10

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

EPSS Probability
3.48%

87.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
GolangProtobuf< 1.3.2
HashicorpConsul< 1.8.15
HashicorpConsul>= 1.9.0, < 1.9.9
HashicorpConsul>= 1.10.0, < 1.10.2

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-3121?
An issue was discovered in GoGo Protobuf before 1.3.2. plugin/unmarshal/unmarshal.go lacks certain index validation, aka the "skippy peanut butter" issue.
How severe is CVE-2021-3121?
CVE-2021-3121 has a CVSS score of 8.6/10 (HIGH severity). The EPSS model estimates a 3.48% probability of exploitation in the next 30 days.
How do I fix CVE-2021-3121?
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-2021-3121?

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

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Source: NVD / NIST