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CVE-2021-43302

CRITICALCVSS 9.1/10EPSS 2.16%

Last modified

CVE-2021-43302 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. Read out-of-bounds in PJSUA API when calling pjsua_recorder_create. An attacker-controlled 'filename' argument may cause an out-of-bounds read when the filename is shorter than 4 characters.. EPSS estimates a 2.16% chance of exploitation in the next 30 days.

Description

Read out-of-bounds in PJSUA API when calling pjsua_recorder_create. An attacker-controlled 'filename' argument may cause an out-of-bounds read when the filename is shorter than 4 characters.

Metrics

CVSS 3.1
9.1/10

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

EPSS Probability
2.16%

79.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
TeluuPjsip<= 2.11.1
DebianDebian Linux9.0
DebianDebian Linux10.0
DebianDebian Linux11.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-43302?
Read out-of-bounds in PJSUA API when calling pjsua_recorder_create. An attacker-controlled 'filename' argument may cause an out-of-bounds read when the filename is shorter than 4 characters.
How severe is CVE-2021-43302?
CVE-2021-43302 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 2.16% probability of exploitation in the next 30 days.
How do I fix CVE-2021-43302?
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-2021-43302?

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

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Source: NVD / NIST