CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
82.3%
Paul Kehrer discovered that OpenSSL incorrectly handled certain input
lengths in EVP functions. A remote attacker could possibly use this issue
to cause OpenSSL to crash, resulting in a denial of service.
(CVE-2021-23840)
Tavis Ormandy discovered that OpenSSL incorrectly handled parsing issuer
fields. A remote attacker could possibly use this issue to cause OpenSSL to
crash, resulting in a denial of service. (CVE-2021-23841)
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Ubuntu | 20.10 | noarch | libssl1.1 | < 1.1.1f-1ubuntu4.2 | UNKNOWN |
Ubuntu | 20.10 | noarch | libcrypto1.1-udeb | < 1.1.1f-1ubuntu4.2 | UNKNOWN |
Ubuntu | 20.10 | noarch | libssl-dev | < 1.1.1f-1ubuntu4.2 | UNKNOWN |
Ubuntu | 20.10 | noarch | libssl-doc | < 1.1.1f-1ubuntu4.2 | UNKNOWN |
Ubuntu | 20.10 | noarch | libssl1.1-dbgsym | < 1.1.1f-1ubuntu4.2 | UNKNOWN |
Ubuntu | 20.10 | noarch | libssl1.1-udeb | < 1.1.1f-1ubuntu4.2 | UNKNOWN |
Ubuntu | 20.10 | noarch | openssl | < 1.1.1f-1ubuntu4.2 | UNKNOWN |
Ubuntu | 20.10 | noarch | openssl-dbgsym | < 1.1.1f-1ubuntu4.2 | UNKNOWN |
Ubuntu | 20.04 | noarch | libssl1.1 | < 1.1.1f-1ubuntu2.2 | UNKNOWN |
Ubuntu | 20.04 | noarch | libcrypto1.1-udeb | < 1.1.1f-1ubuntu2.2 | UNKNOWN |
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
82.3%