CVE-2019-12121

Name: CVE-2019-12121
Creator: NVD / NIST
Published: 2020-03-18T19:15:14.67+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.73%

Last modified Jun 17, 2026

CVE-2019-12121 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An issue was detected in ONAP Portal through Dublin. By executing a padding oracle attack using the ONAPPORTAL/processSingleSignOn UserId field, an attacker is able to decrypt arbitrary information encrypted with the same symmetric key as UserId. EPSS estimates a 0.73% chance of exploitation in the next 30 days.

Description

An issue was detected in ONAP Portal through Dublin. By executing a padding oracle attack using the ONAPPORTAL/processSingleSignOn UserId field, an attacker is able to decrypt arbitrary information encrypted with the same symmetric key as UserId. All Portal setups are affected.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

0.73%

49.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-326

Affected Software

Vendor	Product	Versions
Onap	Open Network Automation Platform	>= 3.0.0, < 4.0.0

References

https://jira.onap.org/browse/OJSI-92Exploit, Patch, Vendor Advisory
https://jira.onap.org/browse/OJSI-92Exploit, Patch, Vendor Advisory

Timeline

Published: Mar 18, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-12121?

How severe is CVE-2019-12121?

CVE-2019-12121 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.73% probability of exploitation in the next 30 days.

How do I fix CVE-2019-12121?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-12121?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST