Security readout for executives and security teams
Plain-English summary
CVE-2017-13309 is an Android 8.1 information disclosure issue. A local attacker could potentially obtain plaintext data that should remain protected by Conscrypt. The sources do not indicate remote compromise, integrity impact, availability impact, user interaction, or active exploitation.
Executive priority
Treat this as a moderate legacy-device confidentiality risk. It should be addressed through patch compliance and lifecycle management, especially where Android 8.1 devices handle sensitive business data.
Technical view
The issue is in readEncryptedData of ConscryptEngine.java. The CVE describes improperly used cryptography causing a possible plaintext leak. CVSS 3.1 is 6.2: local attack vector, low complexity, no privileges, no user interaction, high confidentiality impact only.
Likely exposure
Exposure appears limited to Android 8.1 according to the supplied affected product data. Risk is most relevant for organizations still operating Android 8.1 devices or builds that have not received the applicable Android security update.
Exploitation context
The source data says exploitation requires local access, no privileges, and no user interaction. There is no KEV listing and no cited evidence of active exploitation in the provided bundle.
Researcher notes
Evidence is narrow: the bundle identifies Android 8.1, ConscryptEngine.java, local information disclosure, and no KEV status. It does not provide exploit details, proof of exploitation, or product-specific OEM patch mapping.
Mitigation direction
- Identify managed or supported assets running Android 8.1.
- Check Google and device OEM guidance for the applicable security update.
- Apply available Android security updates through normal device management channels.
- Retire or isolate Android 8.1 devices that cannot receive security updates.
Validation and detection
- Inventory Android OS versions and security patch levels across managed devices.
- Compare Android 8.1 devices against the May 2018 Android security bulletin.
- Confirm OEM firmware includes the relevant Conscrypt security fix.
- Prioritize review for devices handling sensitive communications or regulated data.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
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CVE-2017-13309 mapping review
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Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.2 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N2.53.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.2MediumVector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://source.android.com/security/bulletin/2018-05-01CVE reference
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.