CVE-2015-3216

EPSS

1.36%V4

Vector

Network

Published

2015-07-07
08h00 +00:00

Modified

2018-01-04
18h57 +00:00

Official links

CVE.org

NVD

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Criteria applied when sending the alert: compared with the last alert sent + differences in CISA, EPSS, CVSS, CWE, Solutions, CPE.

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CVE Descriptions

Race condition in a certain Red Hat patch to the PRNG lock implementation in the ssleay_rand_bytes function in OpenSSL, as distributed in openssl-1.0.1e-25.el7 in Red Hat Enterprise Linux (RHEL) 7 and other products, allows remote attackers to cause a denial of service (application crash) by establishing many TLS sessions to a multithreaded server, leading to use of a negative value for a certain length field.

CVE Informations

Related Weaknesses

CWE-ID	Weakness Name	Source
CWE-189	Category : Numeric Errors Weaknesses in this category are related to improper calculation or conversion of numbers.
CWE-362	Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.

Metrics

Metrics	Score	Severity	CVSS Vector	Source
V2	4.3		AV:N/AC:M/Au:N/C:N/I:N/A:P	nvd@nist.gov

EPSS

EPSS is a scoring model that predicts the likelihood of a vulnerability being exploited.

EPSS Score

The EPSS model produces a probability score between 0 and 1 (0 and 100%). The higher the score, the greater the probability that a vulnerability will be exploited.

Date	EPSS V0	EPSS V1	EPSS V2 (> 2022-02-04)	EPSS V3 (> 2025-03-07)	EPSS V4 (> 2025-03-17)
2022-02-06	–	–	2.17%	–	–
2022-03-20	–	–	2.17%	–	–
2022-04-03	–	–	2.17%	–	–
2022-07-17	–	–	2.17%	–	–
2023-02-05	–	–	4.72%	–	–
2023-02-19	–	–	2.17%	–	–
2023-02-26	–	–	2.17%	–	–
2023-03-12	–	–	–	15.54%	–
2023-10-08	–	–	–	12.06%	–
2024-06-02	–	–	–	12.06%	–
2024-06-02	–	–	–	12.06%	–
2024-10-27	–	–	–	12.06%	–
2024-11-03	–	–	–	12.06%	–
2024-12-22	–	–	–	12.06%	–
2025-01-05	–	–	–	13.54%	–
2025-02-16	–	–	–	12.18%	–
2025-03-16	–	–	–	12.18%	–
2025-01-19	–	–	–	13.54%	–
2025-02-16	–	–	–	12.18%	–
2025-03-18	–	–	–	–	1.44%
2025-03-30	–	–	–	–	1.88%
2025-04-06	–	–	–	–	1.36%
2025-04-09	–	–	–	–	1.36%
2025-04-09	–	–	–	–	1.36,%

EPSS Percentile

The percentile is used to rank CVE according to their EPSS score. For example, a CVE in the 95th percentile according to its EPSS score is more likely to be exploited than 95% of other CVE. Thus, the percentile is used to compare the EPSS score of a CVE with that of other CVE.

EPSS First.org

Date	Percentile
2022-02-06	58%
2022-03-20	59%
2022-04-03	79%
2022-07-17	8%
2023-02-05	89%
2023-02-19	8%
2023-02-26	81%
2023-03-12	95%
2023-10-08	95%
2024-06-02	95%
2024-06-02	95%
2024-10-27	95%
2024-11-03	96%
2024-12-22	95%
2025-01-05	96%
2025-02-16	95%
2025-03-16	96%
2025-01-19	96%
2025-02-16	95%
2025-03-18	79%
2025-03-30	82%
2025-04-06	78%
2025-04-09	79%
2025-04-09	79%