CVE-2019-20553Network attack vector

Arbitrary memory read and write in RKP

Published Mar 24, 2020 · Updated Aug 5, 2024

Arbitrary memory access in RKP on Samsung Android 9 devices allows attackers to read and write memory via unspecified vectors. Samsung has not published the faulty RKP operation or the input that triggers the arbitrary accesses. Affected devices use Android 9 and an SM6150, SM8150, SM8150_FUSION, Exynos 7885, Exynos 9610, or Exynos 9820 chipset.

CVSS severity9.8
Critical
EPSS probability0.44%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Arbitrary memory access in RKP on Samsung Android 9 devices allows attackers to read and write memory via unspecified vectors. Samsung has not published the faulty RKP operation or the input that triggers the arbitrary accesses. Affected devices use Android 9 and an SM6150, SM8150, SM8150_FUSION, Exynos 7885, Exynos 9610, or Exynos 9820 chipset.

The record

CVE
CVE-2019-20553
Published
Mar 24, 2020
Updated
Aug 5, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
Unavailable
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 24, 2020CVE publishedPublication date reported by the CVE source.
  2. Aug 5, 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?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

9.8NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.5NVDAV:N/AC:L/Au:N/C:P/I:P/A:P

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)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

No sourced classifications are available.

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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