CVE-2021-20535

Name: CVE-2021-20535
Creator: NVD / NIST
Published: 2021-05-13T16:15:07.737+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.52%

Last modified Jun 17, 2026

CVE-2021-20535 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. IBM Jazz Reporting Service 6.0.6.1, 7.0, 7.0.1, and 7.0.2 is vulnerable to server-side request forgery (SSRF). This may allow an authenticated attacker to send unauthorized requests from the system, potentially leading to network enumeration or facilitating other attacks. EPSS estimates a 0.52% chance of exploitation in the next 30 days.

Description

IBM Jazz Reporting Service 6.0.6.1, 7.0, 7.0.1, and 7.0.2 is vulnerable to server-side request forgery (SSRF). This may allow an authenticated attacker to send unauthorized requests from the system, potentially leading to network enumeration or facilitating other attacks. IBM X-Force ID: 198834.

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

0.52%

40.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-918

Affected Software

Vendor	Product	Versions
Ibm	Jazz Reporting Service	6.0.6.1
Ibm	Jazz Reporting Service	7.0
Ibm	Jazz Reporting Service	7.0.1
Ibm	Jazz Reporting Service	7.0.2

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/198834VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6452323Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/198834VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6452323Vendor Advisory

Timeline

Published: May 13, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-20535?

How severe is CVE-2021-20535?

CVE-2021-20535 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.52% probability of exploitation in the next 30 days.

How do I fix CVE-2021-20535?

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-2021-20535?

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

Scan your code now

Source: NVD / NIST