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Fencer Vulns
medium 5.3

CVE-2020-7696 json

Information Exposure

published 2020-07-17 6 y ago modified 2026-06-17 4 mo ago also GHSA-6xhg-q9c8-rj32 , EUVD-2021-0978

cvss
5.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.6%
EPSS 1.6% chance of exploitation in 30 days, percentile 75%
public exploits
0
none known

Summary

This affects all versions of package react-native-fast-image. When an image with source={{uri: "...", headers: { host: "somehost.com", authorization: "..." }} is loaded, all other subsequent images will use the same headers, this can lead to signing credentials or other session tokens being leaked to other servers.

Patch / fix

  • npm react-native-fast-image 8.3.0

Exploit prediction

1.57% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/DylanVann/react-native-fast-image/pull/691 referenced PoC, tagged "exploit" by a source, unverified
  • snyk.io https://snyk.io/vuln/SNYK-JS-REACTNATIVEFASTIMAGE-572228 referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/DylanVann/react-native-fast-image/issues/690 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
NVD 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N
GitHub 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected packages

ecosystem package affected fixed in
npm react-native-fast-image
<8.3.0
8.3.0

Affected products

  • n/a react-native-fast-image

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.