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Fencer Vulns
high 7.0

CVE-2020-1762 json

Insufficient Session Expiration in Kiali

published 2020-04-27 6 y ago modified 2026-06-17 4 mo ago also GHSA-465w-gg5p-85c9 , GO-2022-0626 , EUVD-2021-0930

cvss
7.0
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 67%
public exploits
0
none known

Summary

An insufficient JWT validation vulnerability was found in Kiali versions 0.4.0 to 1.15.0 and was fixed in Kiali version 1.15.1, wherein a remote attacker could abuse this flaw by stealing a valid JWT cookie and using that to spoof a user session, possibly gaining privileges to view and alter the Istio configuration.

Patch / fix

  • go github.com/kiali/kiali 1.15.1
  • kiali kiali 1.15.1
  • kiali service mesh 1.0 v1.0.10.redhat1-1.el7
  • jaeger service mesh 1.0 v1.13.1.redhat6-1.el7

red hat advisories RHSA-2020:0972

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2020-1762 updated cvss 7.0

kiali: ignoring JWT claim fields

  • Red Hat OpenShift Service Mesh 1.0 kiali v1.0.10.redhat1-1.el7, jaeger v1.13.1.redhat6-1.el7
    fixed: vendor fix RHSA-2020:0972

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.15% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.0 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H
NVD 3.1 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P
GitHub 3.1 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

Affected packages

ecosystem package affected fixed in
go github.com/kiali/kiali
>=0.4.0, <1.15.1
1.15.1

Affected products

  • [Kiali] kiali

Classification

Weakness
  • CWE-613 DEPRECATED: Insufficient Session Expiration
  • CWE-384 Session Fixation
  • CWE-295 Improper Certificate Validation

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.