NULL pointer dereference in Apple Ipados
CVE-2021-23841
The OpenSSL public API function X509_issuer_and_serial_hash() attempts to create a unique hash value based on the issuer and serial number data contained within an X509 certificate. However it fails to correctly handle any errors that may…
EPSS: 0.075 (93.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Apple Ipados
- Apple Iphone_os
- Apple Macos
- Apple Safari
- Netapp Oncommand_insight
- Netapp Oncommand_workflow_automation
- Netapp Snapcenter
- Openssl — versions Fixed in OpenSSL 1.1.1j (Affected 1.1.1-1.1.1i), Fixed in OpenSSL 1.0.2y (Affected 1.0.2-1.0.2x)
- Oracle Business_intelligence — versions 5.5.0.0.0, 5.9.0.0.0, 12.2.1.3.0
- Oracle Communications_cloud_native_core_policy — versions 1.15.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- openssl-security@openssl.org (Vendor Advisory)
- openssl-security@openssl.org
- openssl-security@openssl.org
- openssl-security@openssl.org (vendor-advisory, Third Party Advisory)
- openssl-security@openssl.org (vendor-advisory, Third Party Advisory)
- openssl-security@openssl.org (mailing-list, Mailing List, Third Party Advisory)
- openssl-security@openssl.org (mailing-list, Mailing List, Third Party Advisory)
- openssl-security@openssl.org (mailing-list, Mailing List, Third Party Advisory)
- openssl-security@openssl.org (Patch, Third Party Advisory)
- openssl-security@openssl.org (Third Party Advisory)
Frequently asked questions
- What is CVE-2021-23841?
- CVE-2021-23841 is a medium-severity vulnerability in Apple Ipados, classified under NULL Pointer Dereference. CVSS score: 5.9/10. Published 2021-02-16.
- How severe is CVE-2021-23841?
- Medium severity. CVSS v3 base score is 5.9 out of 10.
- Is CVE-2021-23841 known to be exploited?
- 29 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.