CVE-2016-10511

Exp

The Twitter iOS client versions 6.62 and 6.62.1 fail to validate Twitter's server certificates for the /1.1/help/settings.json configuration endpoint, permitting man-in-the-middle attackers the ability to view an application-only OAuth client token and potentially enable unreleased Twitter iOS app features.

Published: 2017-09-18 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2016-10511 is rated Exploit Available (57.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.82%). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2016-10511

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2016-10511

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.31% 0.82% +0.52%
2 2025-03-30 0.49% 0.31% -0.18%
3 2025-03-29 — 0.49% —

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2016-10511

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.9 3.0 MEDIUM
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:H)
Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
 2.2 3.6 [email protected]
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 8.6 2.9 [email protected]

Weakness enumeration for CVE-2016-10511

Affected software / configurations for CVE-2016-10511

Vendor Product Version Raw CPE
twitter twitter 6.62 cpe:2.3:a:twitter:twitter:6.62:*:*:*:*:iphone_os:*:*
twitter twitter 6.62.1 cpe:2.3:a:twitter:twitter:6.62.1:*:*:*:*:iphone_os:*:*

References for CVE-2016-10511

URL Tags
http://www.securityfocus.com/bid/100904 Third Party Advisory VDB Entry
https://hackerone.com/reports/168538 Exploit Third Party Advisory
cvelogic Threat Intelligence