What is CVE-2011-4574?

CVE-2011-4574 is a critical-severity vulnerability in Polarssl, classified under Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG). CVSS score: 9.8/10. Published 2021-10-27.

How severe is CVE-2011-4574?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Polarssl

CVE-2011-4574

PolarSSL versions prior to v1.1 use the HAVEGE random number generation algorithm. At its heart, this uses timing information based on the processor's high resolution timer (the RDTSC instruction). This instruction can be virtualized, and…

EPSS: 0.011 (60.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Polarssl
N/a Polarssl — versions PolarSSL 1.1.0

Weakness classification (CWE)

CWE-338 — Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

References

secalert@redhat.com (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2011-4574?: CVE-2011-4574 is a critical-severity vulnerability in Polarssl, classified under Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG). CVSS score: 9.8/10. Published 2021-10-27.
How severe is CVE-2011-4574?: Critical severity. CVSS v3 base score is 9.8 out of 10.