CVE-2016-7054
CVE-2016-7054 is a high-severity vulnerability in Openssl with a CVSS 3.x base score of 7.5. Its EPSS exploit-prediction score of 32% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-284.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 32% (98th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-284
- Affected product: Openssl
- Published:
- Last modified:
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2016-7054?
- CVE-2016-7054 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2016-7054 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 32% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2016-7054?
- CVE-2016-7054 primarily affects Openssl. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2016-7054?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2016-7054 published?
- CVE-2016-7054 was published on 2017-05-04 and last updated on 2026-06-17.
References
- http://www.securityfocus.com/bid/94238
- http://www.securitytracker.com/id/1037261
- https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03744en_us
- https://www.exploit-db.com/exploits/40899/
- https://www.openssl.org/news/secadv/20161110.txt
Affected products (3)
- cpe:2.3:a:openssl:openssl:1.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.1.0a:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.1.0b:*:*:*:*:*:*:*
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