CVE-2016-7054

mediumpriority · attend · 51EPSS 0.324 · 98 %ileexploit · PoCDEEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

32.4% (98th) EPSS

CVSS 5 · medium

Is it mine?

29 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-26

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

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.07.1highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Psecondary · CVSS-BT (t0sche)

v3.17.5highAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-284USprimaryCWE-284US

exploits (1)

Public proof-of-concept and weaponised exploit code.

EDB-40899OpenSSL 1.1.0a/1.1.0b - Denial of ServicePoC · exploit_db

affected products (29)

Products and version ranges known to be affected.

Cisco IOS XRall versionscert_bundDEcpe:/o:cisco:ios_xr:-
Cisco Network Analysis Moduleall versionscert_bundDEcpe:/h:cisco:network_analysis_module:-
Cisco Security Manager (CSM)all versionscert_bundDEcpe:/a:cisco:security_manager:-
Cisco TelePresence SX20all versionscert_bundDEcpe:/h:cisco:telepresence_sx20:-
Cisco TelePresence Serverall versionscert_bundDEcpe:/a:cisco:telepresence_server:2.2
Cisco TelePresence System EX Seriesall versionscert_bundDEcpe:/h:cisco:telepresence_system_ex_series:-
Cisco Unified Communications Manager (CUCM)all versionscert_bundDEcpe:/a:cisco:unified_communications_manager:-
Cisco Unified Contact Center Enterpriseall versionscert_bundDEcpe:/a:cisco:unified_contact_center_enterprise:-
Cisco Unified IP Phoneall versionscert_bundDEcpe:/h:cisco:unified_ip_phones:::9900_series
Cisco Unity Connectionall versionscert_bundDEcpe:/a:cisco:unity_connection:1.1
Cisco Video Surveillanceall versionscert_bundDEcpe:/a:cisco:video_surveillance_ip_gateway_encoder_decoder:-
Cisco WebEx Meetings Serverall versionscert_bundDEcpe:/a:cisco:webex_meetings_server:-
Cisco Wide Area Application Servicesall versionscert_bundDEcpe:/a:cisco:wide_area_application_services:-
Dell NetWorker < 19.10all versionscert_bundDEcpe:/a:dell:networker:19.10
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
OpenSSL OpenSSL≤ openssl-1.1.0aenisa_euvdEU
OpenSSL OpenSSL≤ openssl-1.1.0enisa_euvdEU
OpenSSL OpenSSL≤ openssl-1.1.0benisa_euvdEU

showing 20 of 29

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2024-0208OpenSSL: Mehrere SchwachstellenDeutsch2016-11-10csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in OpenSSL ausnutzen, um einen Denial of Service Angriff oder einen Angriff mit nicht spezifizierten Auswirkungen durchzuführen.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund NVD CVE.org MITRE

published 2017-05-04modified 2026-06-17

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+13787 more

references (12)

External citations — patches, advisories, analysis.

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