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Fencer Intel
medium 4.3

CVE-2021-20371 json

IBM Jazz Foundation and IBM Engineering products could allow a remote attacker to obtain sensitive information when an error message is ret…

published 5y ago modified 4mo ago also EUVD-2021-7789

cvss
4.3
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 68%
public exploits
0
none known

Summary

IBM Jazz Foundation and IBM Engineering products could allow a remote attacker to obtain sensitive information when an error message is returned in the browser. This information could be used in further attacks against the system. IBM X-Force ID: 195516.

Patch / fix

Is CVE-2021-20371 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Exploit prediction

1.20% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.0 4.3 CVSS:3.0/PR:L/AV:N/I:N/UI:N/A:N/AC:L/S:U/C:L/RC:C/E:U/RL:O
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CNA 3.0 4.3 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
NVD 2.0 4.0 AV:N/AC:L/Au:S/C:P/I:N/A:N

Affected products

  • IBM Rational Collaborative Lifecycle Management
  • IBM Rational Engineering Lifecycle Manager
  • IBM Engineering Lifecycle Optimization
  • IBM Rational DOORS Next Generation
  • IBM Rational Quality Manager
  • IBM Rational Rhapsody Model Manager
  • IBM Engineering Test Management

Classification

Weakness
  • CWE-209 Generation of Error Message Containing Sensitive Information

References

Sources

Fencer Intel 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.