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Fencer Vulns
medium 6.5

CVE-2018-21034 json

Argo Exposure of Sensitive Information

published 2020-04-09 6 y ago modified 2026-06-17 4 mo ago also GHSA-xj7v-c82w-92q2 , GO-2023-1952 , EUVD-2022-5808

cvss
6.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.4%
EPSS 1.4% chance of exploitation in 30 days, percentile 72%
public exploits
0
none known

Summary

In Argo versions prior to v1.5.0-rc1, it was possible for authenticated Argo users to submit API calls to retrieve secrets and other manifests which were stored within git.

Patch / fix

  • go github.com/argoproj/argo-cd 1.5.0-rc1

Exploit prediction

1.37% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/argoproj/argo-cd/blob/a1afe44066fcd0a0ab90a02a23177164bbad42cf/util/diff/diff.go#L399 referenced PoC, tagged "exploit" by a source, unverified
  • soluble.ai https://www.soluble.ai/blog/argo-cves-2020 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 4.0 AV:N/AC:L/Au:S/C:P/I:N/A:N
GitHub 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected packages

ecosystem package affected fixed in
go github.com/argoproj/argo-cd
<1.5.0-rc1
1.5.0-rc1

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.