CVE-2016-0818

Status: ModifiedMedium (5.9)—
Severity5.9Medium · CVSS 3.0
Exploitation probability0.27 %higher than 18% of CVEs
Active exploitationNonot in the CISA catalog
Public exploitNot knownno public code found

The caching functionality in the TrustManagerImpl class in TrustManagerImpl.java in Conscrypt in Android 4.x before 4.4.4, 5.x before 5.1.1 LMY49H, and 6.x before 2016-03-01 mishandles the distinction between an intermediate CA and a trusted root CA, which allows man-in-the-middle attackers to spoof servers by leveraging access to an intermediate CA to issue a certificate, aka internal bug 26232830.

CVSS

Base score
5.9
Version
3.0
Vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days
0.27 %
Percentile among all scored CVEs
18
Score date
10/24/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

CWEs

References

Show 8 references

Raw JSON (NVD)

Show
{
  "id": "CVE-2016-0818",
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  "published": "2016-03-12T21:59:02.807",
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          "value": "CWE-254"
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      "value": "The caching functionality in the TrustManagerImpl class in TrustManagerImpl.java in Conscrypt in Android 4.x before 4.4.4, 5.x before 5.1.1 LMY49H, and 6.x before 2016-03-01 mishandles the distinction between an intermediate CA and a trusted root CA, which allows man-in-the-middle attackers to spoof servers by leveraging access to an intermediate CA to issue a certificate, aka internal bug 26232830."
    },
    {
      "lang": "es",
      "value": "La funcionalidad de almacenamiento en caché en la clase TrustManagerImpl en TrustManagerImpl.java en Conscrypt en Android 4.x en versiones anteriores a 4.4.4, 5.x en versiones anteriores a 5.1.1 LMY49H y 6.x en versiones anteriores a 2016-03-01 no maneja correctamente la distinción entre un CA intermedio y un CA root de confianza, lo que permite a atacantes man-in-the-middle suplantar servidores aprovechando el acceso a un CA intermedio para emitir un certificado, también conocida como error interno 26232830."
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