How severe is CVE-2020-28452?

CVE-2020-28452 has a CVSS 3.x base score of 6.3, 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 low.

Is CVE-2020-28452 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-28452?

CVE-2020-28452 affects Softwaremill Akka-http-session. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-28452?

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

When was CVE-2020-28452 published?

CVE-2020-28452 was published on 2021-01-20 and last updated on 2026-06-17.

CVE-2020-28452

CVE-2020-28452 is a medium-severity vulnerability in Softwaremill Akka-http-session with a CVSS 3.x base score of 6.3. 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-352.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 6.8
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Softwaremill Akka-http-session
Published: 2021-01-20
Last modified: 2026-06-17

Description

This affects the package com.softwaremill.akka-http-session:core_2.12 from 0 and before 0.6.1; all versions of package com.softwaremill.akka-http-session:core_2.11; the package com.softwaremill.akka-http-session:core_2.13 from 0 and before 0.6.1. CSRF protection can be bypassed by forging a request that contains the same value for both the X-XSRF-TOKEN header and the XSRF-TOKEN cookie value, as the check in randomTokenCsrfProtection only checks that the two values are equal and non-empty.

Frequently asked questions

What is CVE-2020-28452?: This affects the package com.softwaremill.akka-http-session:core_2.12 from 0 and before 0.6.1; all versions of package com.softwaremill.akka-http-session:core_2.11; the package com.softwaremill.akka-http-session:core_2.13 from 0 and before 0.6.1. CSRF protection can be bypassed by forging a request that contains the same value for both the X-XSRF-TOKEN header and the XSRF-TOKEN cookie value, as the check in randomTokenCsrfProtection only checks that the two values are equal and non-empty.
How severe is CVE-2020-28452?: CVE-2020-28452 has a CVSS 3.x base score of 6.3, 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 low.
Is CVE-2020-28452 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-28452?: CVE-2020-28452 affects Softwaremill Akka-http-session. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-28452?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-28452 published?: CVE-2020-28452 was published on 2021-01-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:softwaremill:akka-http-session:*:*:*:*:*:*:*:*

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