CVE-2020-8275

Unauthenticated disclosure of limited calendar data

Published Jan 6, 2021 · Updated Aug 4, 2024

Improper access control in Citrix Secure Mail for Android before 20.11.0 allows attackers to read limited calendar-related data. Citrix has not published the affected component or the access-control operation that exposes the calendar data. Exploitation requires a malicious app installed on the Android device or prior arbitrary-code execution on that device; no modification or broader disclosure is reported.

CVSS severity4.3
Medium
EPSS probability1.88%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper access control in Citrix Secure Mail for Android before 20.11.0 allows attackers to read limited calendar-related data. Citrix has not published the affected component or the access-control operation that exposes the calendar data. Exploitation requires a malicious app installed on the Android device or prior arbitrary-code execution on that device; no modification or broader disclosure is reported.

The record

CVE
CVE-2020-8275
Published
Jan 6, 2021
Updated
Aug 4, 2024
Vendor
Citrix
Product
Citrix Secure Mail
Classifications
CWE-284, CWE-269, T1409
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 6, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 4, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=Fixed in 20.11.0

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Citrix · Citrix Secure Mailversion=Fixed in 20.11.0

Published CVSS scores

4.3NVDAV:N/AC:M/Au:N/C:P/I:N/A:N
4.3NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-284Improper Access Control
CWE-269Improper Privilege Management
T1409Access Stored Application Data

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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