NULL pointer dereference in Broadcom Fabric_operating_system
CVE-2020-1967
Server or client applications that call the SSL_check_chain() function during or after a TLS 1.3 handshake may crash due to a NULL pointer dereference as a result of incorrect handling of the "signature_algorithms_cert" TLS extension. The…
EPSS: 0.533 (98.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- openssl-security@openssl.org (x_refsource_FREEBSD, vendor-advisory, Patch, Third Party Advisory)
- openssl-security@openssl.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- openssl-security@openssl.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- openssl-security@openssl.org (mailing-list, x_refsource_MLIST)
- openssl-security@openssl.org (mailing-list, x_refsource_MLIST)
- openssl-security@openssl.org (mailing-list, x_refsource_MLIST)
- openssl-security@openssl.org (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
- openssl-security@openssl.org (x_refsource_FEDORA, vendor-advisory)
- openssl-security@openssl.org (x_refsource_FEDORA, vendor-advisory)
- openssl-security@openssl.org (mailing-list, x_refsource_FULLDISC, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-1967?
- CVE-2020-1967 is a high-severity vulnerability in Broadcom Fabric_operating_system, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2020-04-21.
- How severe is CVE-2020-1967?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2020-1967 known to be exploited?
- 32 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.