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CVE-2021-25266

18
FAUCET Score

CVE-2021-25266 is an insecure data storage vulnerability affecting Sophos Authenticator for Android (v3.4 and older) and Intercept X for Mobile (before v9.7.3495). A physical attacker with root privileges can extract TOTP secret keys from unlocked devices. This vulnerability has a low CVSS score of 3.9 due to its physical attack vector and high privileges required, but it could lead to a complete compromise of confidentiality. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.4CPE matchmatch criteria
cpe:2.3:a:sophos:authenticator:*:*:*:*:*:android:*:*
< 9.7.3495CPE matchmatch criteria
cpe:2.3:a:sophos:intercept_x:*:*:*:*:*:android:*:*

CVSS Data

CVSS version used by this source: 3.1

3.9LOW

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

Attack Vector
PHYSICAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
0.3
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.22%
Probability of exploitation in next 30 days
EPSS Percentile
13.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0022 is in the 32nd percentile among its peer group of 32 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Remediation records are not available for this CVE.

References

sophos.com / en-us/security-advisories/sophos-sa-20220427-ixm-storage
Vendor Advisory