CVE-2020-27885

Name: CVE-2020-27885
Creator: NVD / NIST
Published: 2020-10-29T21:15:15.957+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.93%

Last modified Jun 17, 2026

CVE-2020-27885 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. Cross-Site Scripting (XSS) vulnerability on WSO2 API Manager 3.1.0. By exploiting a Cross-site scripting vulnerability the attacker can hijack a logged-in user’s session by stealing cookies which means that a malicious hacker can change the logged-in user’s password and invalidate the session of the victim while the hacker maintains access.. EPSS estimates a 0.93% chance of exploitation in the next 30 days.

Description

Cross-Site Scripting (XSS) vulnerability on WSO2 API Manager 3.1.0. By exploiting a Cross-site scripting vulnerability the attacker can hijack a logged-in user’s session by stealing cookies which means that a malicious hacker can change the logged-in user’s password and invalidate the session of the victim while the hacker maintains access.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

0.93%

55.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Wso2	Api Manager	3.1.0

References

https://docs.wso2.com/display/Security/2020+AdvisoriesVendor Advisory
https://www.rodrigofavarini.com.br/cybersecurity/multiple-xss-on-api-manager-3-1-0/Exploit, Third Party Advisory
https://docs.wso2.com/display/Security/2020+AdvisoriesVendor Advisory
https://www.rodrigofavarini.com.br/cybersecurity/multiple-xss-on-api-manager-3-1-0/Exploit, Third Party Advisory

Timeline

Published: Oct 29, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-27885?

How severe is CVE-2020-27885?

CVE-2020-27885 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.93% probability of exploitation in the next 30 days.

How do I fix CVE-2020-27885?

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-2020-27885?

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

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Source: NVD / NIST