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Fencer Vulns
critical 9.8

CVE-2019-17195 in the critical feed json

Improper Check for Unusual or Exceptional Conditions in Connect2id Nimbus JOSE+JWT

published 2019-10-15 7 y ago modified 2026-06-17 4 mo ago also GHSA-f6vf-pq8c-69m4 , EUVD-2019-0699

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
11.1%
EPSS 11.1% chance of exploitation in 30 days, percentile 95%
public exploits
0
none known

Summary

Connect2id Nimbus JOSE+JWT before v7.9 can throw various uncaught exceptions while parsing a JWT, which could result in an application crash (potential information disclosure) or a potential authentication bypass.

Patch / fix

  • maven com.nimbusds:nimbus-jose-jwt 7.9
  • connect2id nimbus_jose+jwt 7.9
  • rhvm rhev manager 4.3 4.3.9.3-0.1.el7
  • ovirt-engine rhev manager 4.3 4.3.9.3-0.1.el7
  • rhvm-dependencies rhev manager 4.3 4.3.2-1.el7ev
  • ovirt-engine-setup rhev manager 4.3 4.3.9.3-0.1.el7
  • ovirt-engine-tools rhev manager 4.3 4.3.9.3-0.1.el7
  • ovirt-engine-backend rhev manager 4.3 4.3.9.3-0.1.el7
  • ovirt-engine-restapi rhev manager 4.3 4.3.9.3-0.1.el7
  • ovirt-engine-dbscripts rhev manager 4.3 4.3.9.3-0.1.el7

red hat advisories RHSA-2020:1308

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-2019-17195 updated cvss 6.5

nimbus-jose-jwt: Uncaught exceptions while parsing a JWT

  • Red Hat RHV-M 4.3 rhvm 4.3.9.3-0.1.el7, ovirt-engine 4.3.9.3-0.1.el7, rhvm-dependencies 4.3.2-1.el7ev, ovirt-engine-setup 4.3.9.3-0.1.el7, ovirt-engine-tools 4.3.9.3-0.1.el7, ovirt-engine-backend 4.3.9.3-0.1.el7, +18 more Red Hat Tools for RHV Engine apache-commons-beanutils 1.8.3-15.el7_7, apache-commons-beanutils-javadoc 1.8.3-15.el7_7
    fixed: vendor fix RHSA-2020:1308

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

11.12% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P
GitHub 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
maven com.nimbusds:nimbus-jose-jwt
<7.9
7.9

Classification

Weakness
  • CWE-755 Improper Handling of Exceptional Conditions
  • CWE-754 Improper Check for Unusual or Exceptional Conditions

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.