CVE-2014-0160KEV · OVERDUE

OpenSSL Information Disclosure Vulnerability

High · published April 7, 2014

Patch now

Confirmed exploited, and the score agrees

CVSS calls it high at 7.5. It is confirmed in active exploitation. It sits in the 100.0th percentile for exploit probability.

1611
days past CISA
deadline
CVSS v3.1
7.5
EPSS
100%
Percentile
100.0
In the wild
Confirmed
What it is

🚨 The Heartbleed bug is a chilling reminder that a single faulty heartbeat can expose your server's secrets! 🔥 Think of it like a waiter who accidentally spills the beans about your private conversations to anyone at the next table, just because they were too eager to check on your meal—every little chat is fair game! An attacker can exploit this vulnerability to pull sensitive information straight from the server's memory, including private keys. This means they could potentially decrypt traffic meant to be secure, leaving your data wide open for malicious eyes. Absolutely devastating!

Put simply

Think of it like a waiter who accidentally spills the beans about your private conversations to anyone at the next table, just because they were too eager to check on your meal—every little chat is fair game! CVE-2014-0160 affects OpenSSL versions 1.0.1 to 1.0.1f, where improper handling of Heartbeat Extension packets allows attackers to read arbitrary bytes from the server's memory due to a buffer over-read. This leads to the exposure of sensitive data.

What to do

An attacker can exploit this vulnerability to pull sensitive information straight from the server's memory, including private keys. This means they could potentially decrypt traffic meant to be secure, leaving your data wide open for malicious eyes. Absolutely devastating! Patching is crucial! Upgrade your OpenSSL to version 1.0.1g or later immediately. Also, consider rotating any keys exposed during the vulnerability period to ensure your data remains secure. 🛡️ This is fixable! Follow these steps, and you'll be back in the safety zone in no time! You've got this! 🦸

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.99999 · 100.0th percentile
Published
2014-04-07T00:00Z
KEV added
2022-05-04 · due 2022-05-25
EPSS history
Timeline
  • 04 MAY 00:00Z
    Added to CISA KEV — remediate by May 25
    kev
  • 07 APR 00:00Z
    The (1) TLS and (2) DTLS implementations in OpenSSL 1.0.1 before 1.0.1g do not properly handle Heartbeat Extension packets, which allows remote attackers to…
    cvelistv5