7.4
CWE
295 476
Advisory Published

cisco-sa-openssl-2021-GHY28dJd: Multiple Vulnerabilities in OpenSSL Affecting Cisco Products: March 2021

First published: Thu Mar 25 2021(Updated: )

On March 25, 2021, the OpenSSL Project released a security advisory, OpenSSL Security Advisory [25 March 2021], that disclosed two vulnerabilities. Exploitation of these vulnerabilities could allow an attacker to use a valid non-certificate authority (CA) certificate to act as a CA and sign a certificate for an arbitrary organization, user or device, or to cause a denial of service (DoS) condition. This advisory is available at the following link:https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-openssl-2021-GHY28dJd

Credit: These vulnerabilities were publicly disclosed by the OpenSSL Software Foundation on March 25 2021.

Affected SoftwareAffected VersionHow to fix
OpenSSL libcrypto
Cisco Products

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Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of cisco-sa-openssl-2021-GHY28dJd?

    The severity of cisco-sa-openssl-2021-GHY28dJd is classified as high due to potential exploitation that can lead to unauthorized acts as a certificate authority.

  • How do I fix cisco-sa-openssl-2021-GHY28dJd?

    To fix cisco-sa-openssl-2021-GHY28dJd, update affected OpenSSL and Cisco products to their patched versions as recommended in the advisory.

  • Which products are affected by cisco-sa-openssl-2021-GHY28dJd?

    The products affected by cisco-sa-openssl-2021-GHY28dJd include various Cisco products that utilize OpenSSL for cryptographic functions.

  • What are the potential consequences of cisco-sa-openssl-2021-GHY28dJd exploitation?

    Exploitation of cisco-sa-openssl-2021-GHY28dJd can allow attackers to impersonate a trusted entity, leading to man-in-the-middle attacks or data breaches.

  • Is there a workaround for cisco-sa-openssl-2021-GHY28dJd?

    There is no recommended workaround for cisco-sa-openssl-2021-GHY28dJd; the best course of action is to apply the available security updates.

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