Apple Security Advisories · January 2021 — Apple Security Advisories
14 advisories 14 CVEs 1 EXPLOITED

Apple-vendor CVEs for 2021-01. Mirrored into Vulnetix VDB.

Every advisory below is enriched with the Vulnetix VDB exploit-intelligence chip (hover a CVE ID in the interactive page to see CVSS, EPSS, KEV status, and PoC maturity). 1 is already weaponised in the wild — see the Exploited section.

What would you fix first?

The advisories below are ordered by the Vulnetix risk prioritization strategy: exploitation evidence first, scores second. On the interactive page you can switch to three other lenses.

Advisories

CVE-2021-1782

iPadOSExploitedCISA KEV listedHIGH2021-01-27

A race condition was addressed with improved locking. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. A malicious application may be able t...

CVEs:CVE-2021-1782

Affected products

ProductStatusVendorPackageEcosystem
ipados affected apple
iphone_os affected apple
macos affected apple
mac_os_x affected apple
tvos affected apple
watchos affected apple
Upstream advisory

CVE-2020-36221

OtherPoC exploitHIGH2021-01-26

An integer underflow was discovered in OpenLDAP before 2.4.57 leading to slapd crashes in the Certificate Exact Assertion processing, resulting in denial of service (schema_init.c serialNumberAndIssuerCheck).

CVEs:CVE-2020-36221

Affected products

ProductStatusVendorPackageEcosystem
macos affected apple
mac_os_x affected apple
Upstream advisory

CVE-2020-36228

OtherPoC exploitHIGH2021-01-26

An integer underflow was discovered in OpenLDAP before 2.4.57 leading to a slapd crash in the Certificate List Exact Assertion processing, resulting in denial of service.

CVEs:CVE-2020-36228

Affected products

ProductStatusVendorPackageEcosystem
macos affected apple
Upstream advisory

CVE-2020-36227

OtherPoC exploitHIGH2021-01-26

A flaw was discovered in OpenLDAP before 2.4.57 leading to an infinite loop in slapd with the cancel_extop Cancel operation, resulting in denial of service.

CVEs:CVE-2020-36227

Affected products

ProductStatusVendorPackageEcosystem
macos affected apple
Upstream advisory

CVE-2020-36222

OtherPoC exploitHIGH2021-01-26

A flaw was discovered in OpenLDAP before 2.4.57 leading to an assertion failure in slapd in the saslAuthzTo validation, resulting in denial of service.

CVEs:CVE-2020-36222

Affected products

ProductStatusVendorPackageEcosystem
macos affected apple
mac_os_x affected apple
Upstream advisory

CVE-2020-36230

OtherPoC exploitHIGH2021-01-26

A flaw was discovered in OpenLDAP before 2.4.57 leading in an assertion failure in slapd in the X.509 DN parsing in decode.c ber_next_element, resulting in denial of service.

CVEs:CVE-2020-36230

Affected products

ProductStatusVendorPackageEcosystem
macos affected apple
mac_os_x affected apple
Upstream advisory

CVE-2020-36225

OtherPoC exploitCRITICAL2021-01-26

A flaw was discovered in OpenLDAP before 2.4.57 leading to a double free and slapd crash in the saslAuthzTo processing, resulting in denial of service.

CVEs:CVE-2020-36225

Affected products

ProductStatusVendorPackageEcosystem
macos affected apple
Upstream advisory

CVE-2020-36226

OtherPoC exploitHIGH2021-01-26

A flaw was discovered in OpenLDAP before 2.4.57 leading to a memch->bv_len miscalculation and slapd crash in the saslAuthzTo processing, resulting in denial of service.

CVEs:CVE-2020-36226

Affected products

ProductStatusVendorPackageEcosystem
macos affected apple
mac_os_x affected apple
Upstream advisory

CVE-2020-36229

OtherPoC exploitHIGH2021-01-26

A flaw was discovered in ldap_X509dn2bv in OpenLDAP before 2.4.57 leading to a slapd crash in the X.509 DN parsing in ad_keystring, resulting in denial of service.

CVEs:CVE-2020-36229

Affected products

ProductStatusVendorPackageEcosystem
macos affected apple
mac_os_x affected apple
Upstream advisory

CVE-2020-36223

OtherPoC exploitCRITICAL2021-01-26

A flaw was discovered in OpenLDAP before 2.4.57 leading to a slapd crash in the Values Return Filter control handling, resulting in denial of service (double free and out-of-bounds read).

CVEs:CVE-2020-36223

Affected products

ProductStatusVendorPackageEcosystem
macos affected apple
mac_os_x affected apple
Upstream advisory

CVE-2020-36224

OtherPoC exploitHIGH2021-01-26

A flaw was discovered in OpenLDAP before 2.4.57 leading to an invalid pointer free and slapd crash in the saslAuthzTo processing, resulting in denial of service.

CVEs:CVE-2020-36224

Affected products

ProductStatusVendorPackageEcosystem
macos affected apple
mac_os_x affected apple
Upstream advisory

CVE-2021-1781

iPadOSEPSS <= 49%MEDIUM2021-01-27

A privacy issue existed in the handling of Contact cards. This was addressed with improved state management. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, iOS 14.4 and iPadOS 14.4. A mali...

CVEs:CVE-2021-1781

Affected products

ProductStatusVendorPackageEcosystem
ipados affected apple
iphone_os affected apple
macos affected apple
mac_os_x affected apple
Upstream advisory

CVE-2021-1800

XcodeEPSS <= 49%CRITICAL2021-01-27

A path handling issue was addressed with improved validation. This issue is fixed in Xcode 12.4. A malicious application may be able to access arbitrary files on the host device while running an app that uses on-demand resources with Xcode.

CVEs:CVE-2021-1800

Affected products

ProductStatusVendorPackageEcosystem
xcode affected apple
Upstream advisory

CVE-2021-1780

iPadOSEPSS <= 49%MEDIUM2021-01-27

A memory initialization issue was addressed with improved memory handling. This issue is fixed in iOS 14.4 and iPadOS 14.4. An attacker in a privileged position may be able to perform a denial of service attack.

CVEs:CVE-2021-1780

Affected products

ProductStatusVendorPackageEcosystem
ipados affected apple
iphone_os affected apple
Upstream advisory

Need live exploit intelligence?

Every CVE above is indexed in the Vulnetix VDB with KEV, EPSS, and PoC maturity. The interactive page surfaces that on hover.