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

Q: How do I fix CVE-2020-28452?

akka-http-session: upgrade to 0.6.1. Exact commands for each OS are on this page.

Q: Is CVE-2020-28452 being exploited?

CVE-2020-28452 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2020-28452 affect?

CVE-2020-28452 affects akka-http-session. Severity is medium (CVSS 6.3). 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

Q: How urgent is CVE-2020-28452?

Priority 33/100. No elevated risk signals yet.

Routine

MEDIUM 6.3UPGRADE

CVE-2020-28452 is a medium-severity flaw (CVSS 6.3) affecting akka-http-session. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 t

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.5% (top 55%)
CISA exploited list	No
Weakness	CWE-352
Published	2021-01-20
Last modified	2026-06-17

Publisher (CNA): Snyk · Vendor: softwaremill

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-01-20 18:15 UTCPublished CVE record published
2026-06-17 03:10 UTCUpdated Record last modified

softwaremill akka-http-session UPGRADE

Affected: < 0.6.1

Fixed in: 0.6.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy akka-http-session || rpm -q akka-http-session || akka-http-session --version

2. UPGRADE to 0.6.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade akka-http-session

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade akka-http-session

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2020-28452?

akka-http-session: upgrade to 0.6.1. Exact commands for each OS are on this page.

Is CVE-2020-28452 being exploited?

CVE-2020-28452 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2020-28452 affect?

CVE-2020-28452 affects akka-http-session. Severity is medium (CVSS 6.3). 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

How urgent is CVE-2020-28452?

Priority 33/100. No elevated risk signals yet.

Related CVEs

CVE-2020-7780 MEDIUM 6.3 UPGRADE This affects the package com.softwaremill.akka-http-session:core_2.13 before 0.5.11; the package com.softwarem

References

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