CVE-2014-3571

What it is

OpenSSL before 0.9.8zd, 1.0.0 before 1.0.0p, and 1.0.1 before 1.0.1k allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted DTLS message that is processed with a different read operation for the handshake header than for the handshake body, related to the dtls1_get_record function in d1_pkt.c and the ssl3_read_n function in s3_pkt.c.

At a glance

Exploitability

Can be exploited over the network without logging in. Limited direct impact.

Exploit odds

22.1% chance of exploitation in the next 30 days (EPSS). Higher than most.

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2015-01-09 02:59 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 00:08 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 22.1% in the next 30 days (EPSS).
• Severity: 5.0 MEDIUM (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2015-01-09 02:59 UTC

Last modified

2026-06-17 00:08 UTC

Exploit probability

22.1% · EPSS, next 30 days

Record status

Modified

Affected

• OpenSSL ≤ 0.9.8zc
• OpenSSL 1.0.0a
• OpenSSL 1.0.0b
• OpenSSL 1.0.0c
• OpenSSL 1.0.0d
• OpenSSL 1.0.0e
• OpenSSL 1.0.0f
• OpenSSL 1.0.0g

Attack profile CVSS 2.0 · 5.0

Attack vector

Network

Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

Is it in your code?

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