Vulnerability in Openssl

CVE-2016-7054

In OpenSSL 1.1.0 before 1.1.0c, TLS connections using *-CHACHA20-POLY1305 ciphersuites are susceptible to a DoS attack by corrupting larger payloads. This can result in an OpenSSL crash. This issue is not considered to be exploitable beyond a DoS.

EPSS: 0.324 (98.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

  • Openssl — versions openssl-1.1.0, 1.1.0a, openssl-1.1.0b

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2016-7054?
CVE-2016-7054 is a high-severity vulnerability in Openssl, classified under Improper Access Control. CVSS score: 7.5/10. Published 2017-05-04.
How severe is CVE-2016-7054?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2016-7054 known to be exploited?
36 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.