CVE-2020-1968: Raccoon attack

Published Sep 9, 2020
·
Updated

Last updated 18 August 2025

Other sources

The Raccoon attack exploits a flaw in the TLS specification which can ...

— Debian

Affected Software

67 affected componentsFixes available
OpenSSL OpenSSL>=1.0.2<=1.0.2v
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=18.04
Debian Debian Linux=9.0
Oracle Jd Edwards World Security=a9.4
Oracle PeopleSoft Enterprise PeopleTools=8.56
Oracle PeopleSoft Enterprise PeopleTools=8.57
Oracle PeopleSoft Enterprise PeopleTools=8.58
Oracle Ethernet Switch Es2-64 Firmware=2.0.0.14
Oracle Ethernet Switch Es2-64
Oracle Ethernet Switch Es2-72 Firmware=2.0.0.14
Oracle Ethernet Switch Es2-72
Fujitsu M10-1 Firmware<xcp2400
Fujitsu M10-1
Fujitsu M10-4 Firmware<xcp2400
Fujitsu M10-4
Fujitsu M10-4s Firmware<xcp2400
Fujitsu M10-4s
Fujitsu M12-1 Firmware<xcp2400
Fujitsu M12-1
Fujitsu M12-2 Firmware<xcp2400
Fujitsu M12-2
Fujitsu M12-2s Firmware<xcp2400
Fujitsu M12-2s
Fujitsu M10-1 Firmware<xcp3100
Fujitsu M10-4 Firmware<xcp3100
Fujitsu M10-4s Firmware<xcp3100
Fujitsu M12-1 Firmware<xcp3100
Fujitsu M12-2 Firmware<xcp3100
Fujitsu M12-2s Firmware<xcp3100
Oracle Ethernet Switch Es1-24 Firmware=1.3.1
Oracle Ethernet Switch Es1-24
Oracle Ethernet Switch Tor-72 Firmware=1.2.2
Oracle Ethernet Switch Tor-72
All of the following
Oracle Ethernet Switch Es2-64 Firmware=2.0.0.14
Oracle Ethernet Switch Es2-64
All of the following
Oracle Ethernet Switch Es2-72 Firmware=2.0.0.14
Oracle Ethernet Switch Es2-72
All of the following
Fujitsu M10-1 Firmware<xcp2400
Fujitsu M10-1
All of the following
Fujitsu M10-4 Firmware<xcp2400
Fujitsu M10-4
All of the following
Fujitsu M10-4s Firmware<xcp2400
Fujitsu M10-4s
All of the following
Fujitsu M12-1 Firmware<xcp2400
Fujitsu M12-1
All of the following
Fujitsu M12-2 Firmware<xcp2400
Fujitsu M12-2
All of the following
Fujitsu M12-2s Firmware<xcp2400
Fujitsu M12-2s
All of the following
Fujitsu M10-1 Firmware<xcp3100
Fujitsu M10-1
All of the following
Fujitsu M10-4 Firmware<xcp3100
Fujitsu M10-4
All of the following
Fujitsu M10-4s Firmware<xcp3100
Fujitsu M10-4s
All of the following
Fujitsu M12-1 Firmware<xcp3100
Fujitsu M12-1
All of the following
Fujitsu M12-2 Firmware<xcp3100
Fujitsu M12-2
All of the following
Fujitsu M12-2s Firmware<xcp3100
Fujitsu M12-2s
All of the following
Oracle Ethernet Switch Es1-24 Firmware=1.3.1
Oracle Ethernet Switch Es1-24
All of the following
Oracle Ethernet Switch Tor-72 Firmware=1.2.2
Oracle Ethernet Switch Tor-72
debian/openssl
1.1.1w-0+deb11u11.1.1w-0+deb11u83.0.20-1~deb12u13.0.20-1~deb12u23.5.6-1~deb13u13.5.6-1~deb13u23.6.3-1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade debian/openssl to a version that resolves this vulnerability.

    Fixed in 1.1.1w-0+deb11u1Fixed in 1.1.1w-0+deb11u8Fixed in 3.0.20-1~deb12u1Fixed in 3.0.20-1~deb12u2Fixed in 3.5.6-1~deb13u1Fixed in 3.5.6-1~deb13u2Fixed in 3.6.3-1
  2. Upgrade

    Upgrade debian/openssl to a version that resolves this vulnerability.

    Fixed in 1.1.1w-0+deb11u1
  3. Upgrade

    Upgrade debian/openssl to a version that resolves this vulnerability.

    Fixed in 1.1.1w-0+deb11u8
  4. Upgrade

    Upgrade debian/openssl to a version that resolves this vulnerability.

    Fixed in 3.0.20-1~deb12u1
  5. Upgrade

    Upgrade debian/openssl to a version that resolves this vulnerability.

    Fixed in 3.0.20-1~deb12u2
  6. Upgrade

    Upgrade debian/openssl to a version that resolves this vulnerability.

    Fixed in 3.5.6-1~deb13u1
  7. Upgrade

    Upgrade debian/openssl to a version that resolves this vulnerability.

    Fixed in 3.5.6-1~deb13u2
  8. Upgrade

    Upgrade debian/openssl to a version that resolves this vulnerability.

    Fixed in 3.6.3-1
  9. Upgrade

    Upgrade OpenSSL to a version that resolves this vulnerability.

    Fixed in 1.0.2w

Event History

Sep 9, 2020
CVE Published
via MITRE·01:50 PM
Data Sourced
via MITRE·01:50 PM
DescriptionWeakness
Data Sourced
via NVD·02:15 PM
RemedyDescriptionSeverityWeaknessAffected Software
Jan 11, 2024
Data Sourced
via Launchpad·11:44 PM
Description
Feb 23, 2026
Data Sourced
via Ubuntu·02:43 PM
RemedyDescriptionSeverityAffected Software
Jun 17, 2026
Data Sourced
via Debian·01:27 AM
DescriptionAffected Software
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Frequently Asked Questions

1

What is CVE-2020-1968?

CVE-2020-1968 is a vulnerability that exploits a flaw in the TLS specification, allowing an attacker to compute the pre-master secret in connections using a Diffie-Hellman based cipher suite.

2

What is the severity of CVE-2020-1968?

The severity of CVE-2020-1968 is medium, with a severity value of 3.7.

3

Which software versions are affected by CVE-2020-1968?

CVE-2020-1968 affects OpenSSL versions up to but excluding 1.0.2 and 1.1.1n-0+deb10u3, 1.1.1n-0+deb10u6, 1.1.1w-0+deb11u1, 1.1.1n-0+deb11u5, 3.0.11-1~deb12u1, 3.0.11-1~deb12u2, 3.0.11-1, 3.0.12-1.

4

How can I fix CVE-2020-1968?

To fix CVE-2020-1968, you should update your OpenSSL software to a version that includes the security patch.

5

Where can I find more information about CVE-2020-1968?

You can find more information about CVE-2020-1968 on the official OpenSSL website and the provided references.

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