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CVE-2015-6979

26
FAUCET Score

CVE-2015-6979 describes a memory corruption vulnerability in the GasGauge component of Apple iOS prior to version 9.1, affecting both iPhones and Apple Watch devices. This critical vulnerability carries a CVSS score of 9.3, indicating a high risk due to its network-based attack vector, medium complexity, and potential for complete compromise (confidentiality, integrity, and availability). While no public exploits or active exploitation have been observed, and community discussion is minimal, the high FAUCET Risk Score of 75/100 suggests a significant underlying risk.

Impacted Technologies

VendorProductVersion(s)CPE
<= 9.0.2CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
<= 2.0CPE matchmatch criteria
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.3HIGH

AV:N/AC:M/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.67%
Probability of exploitation in next 30 days
EPSS Percentile
84.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0267 is in the 42nd percentile among its peer group of 8,915 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 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

Vendor Patches (1)

applevendor investigatingvia nvd_reference
View patch

References

lists.apple.com / archives/security-announce/2015/Dec/msg00002.html
lists.apple.com / archives/security-announce/2015/Oct/msg00002.html
Vendor Advisory
support.apple.com / HT205370
Vendor Advisory
support.apple.com / HT205641
securityfocus.com / bid/77268
securitytracker.com / id/1033929