How severe is CVE-2020-27885?

CVE-2020-27885 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-27885 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-27885?

CVE-2020-27885 affects Wso2 Api Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-27885?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-27885 published?

CVE-2020-27885 was published on 2020-10-29 and last updated on 2026-06-17.

CVE-2020-27885

CVE-2020-27885 is a medium-severity vulnerability in Wso2 Api Manager with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Wso2 Api Manager
Published: 2020-10-29
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2020-27885?: 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.
How severe is CVE-2020-27885?: CVE-2020-27885 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-27885 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-27885?: CVE-2020-27885 affects Wso2 Api Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-27885?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-27885 published?: CVE-2020-27885 was published on 2020-10-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:wso2:api_manager:3.1.0:*:*:*:*:*:*:*

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