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CVE-2021-3179

20
FAUCET Score

CVE-2021-3179 describes an insecure data storage vulnerability in the GGLocker iOS application, specifically affecting gglocker_project gglocker. This flaw allows for an authentication bypass due to the insecure storage of password hash values. With a CVSS score of 5.5 (Medium), this vulnerability requires local access and low privileges, but can lead to high confidentiality impacts. There is currently no evidence of active exploitation, and no public exploit code or community discussion has been identified.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:gglocker_project:gglocker:-:*:*:*:*:iphone_os:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.44%
Probability of exploitation in next 30 days
EPSS Percentile
36.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0044 is in the 90th percentile among its peer group of 15,938 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

apps.apple.com / us/app/gglocker/id1449241376
ProductThird Party Advisory
github.com / ggreco/gglocker/blob/master/gglocker/LoginCheck.m
Third Party Advisory
medium.com / %40ksteo11/yet-another-password-manager-app-how-to-better-secure-it-8e9df2ce35c8