CVE-2020-11828Network attack vector

Stack information disclosure via uninitialized screenshot RGB

Published Apr 21, 2020 · Updated Aug 4, 2024

Information disclosure in OPPO ColorOS 6 and 7 allows remote attackers to read stack values through the screenshot function. In frameworks/native/services/surfaceflinger/SurfaceFlinger.cpp, screenShot returns an RGB stack value without initializing it. The leak requires no authentication or user interaction and exposes data that can defeat address-space layout randomization.

CVSS severity7.5
High
EPSS probability1.17%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in OPPO ColorOS 6 and 7 allows remote attackers to read stack values through the screenshot function. In frameworks/native/services/surfaceflinger/SurfaceFlinger.cpp, screenShot returns an RGB stack value without initializing it. The leak requires no authentication or user interaction and exposes data that can defeat address-space layout randomization.

The record

CVE
CVE-2020-11828
Published
Apr 21, 2020
Updated
Aug 4, 2024
Vendor
OPPO
Product
ColorOS
Classifications
CWE-908
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 21, 2020CVE 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=6
  2. Affected versionversion=7

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

OPPO · ColorOSversion=6; version=7

Published CVSS scores

5.0NIST NVDAV:N/AC:L/Au:N/C:P/I:N/A:N
7.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-908Use of Uninitialized Resource

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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