7.5

CVE-2016-7054: openssl Improper Access Control

CVSS: 7.5v3.0HighModified
AliasesDEBIAN-CVE-2016-7054
Published 04-05-2017Last modified 17-09-2024

Vulnerability summary

CVE-2016-7054 is a high (CVSS 7.5) Improper Access Control vulnerability in openssl. EPSS estimates a 32.39% chance of exploitation in the next 30 days, higher than 98.3% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
46/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.0 (NVD)
EPSS score
32.39%
0%100%
High · +11.33 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1exploit-database

Timeline

  1. 04-05-2017
    PublishedVulnerability first disclosed.
  2. 17-09-2024
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

32.39%

Chance of exploitation in the next 30 days

Percentile

98%

Versus all other CVEs

30-day change

+11.33 pp

From 21.05% on 21-09-2026

21-09-202621-10-2026
EPSS score
32.39%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • exploit-databasedoslinuxUnverified

    OpenSSL 1.1.0a/1.1.0b - Denial of Service

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • openssl< 1.1.0c-1
Openssl1 product
  • opensslEOLopenssl-1.1.0 | openssl-1.1.0a | openssl-1.1.0b | 1.1.0 | 1.1.0a | 1.1.0b

2 vendors · 2 products

References

6 links