CVE-2020-15135: save-server (npm package) before version 1.05 is affected by a CSRF vulnerability, as there is no CSRF mitigat

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MEDIUM 6.7UPGRADE

CVE-2020-15135 is a medium-severity flaw (CVSS 6.7) affecting save-server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

save-server (npm package) before version 1.05 is affected by a CSRF vulnerability, as there is no CSRF mitigation (Tokens etc.). The fix introduced in version version 1.05 unintentionally breaks uploading so version v1.0.7 is the fixed version. This is patched by implementing Double submit. The CSRF attack would require you to navigate to a malicious site while you have an active session with Save-Server (Session key stored in cookies). The malic

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.7 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.7% (top 46%)
CISA exploited list	No
Weakness	CWE-352
Published	2020-08-04
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: save-server project

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

Am I affected?

Timeline

2020-08-04 21:15 UTCPublished CVE record published
2026-06-17 02:56 UTCUpdated Record last modified

save-server project save-server UPGRADE

Affected: < 1.0.5

Fixed in: 1.0.5

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls save-server

2. UPGRADE to 1.0.5

npm install save-server@">=1.0.5"

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-2020-15135?

save-server: upgrade to 1.0.5. Exact commands for each OS are on this page.

Is CVE-2020-15135 being exploited?

CVE-2020-15135 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-2020-15135 affect?

CVE-2020-15135 affects save-server. Severity is medium (CVSS 6.7). save-server (npm package) before version 1.05 is affected by a CSRF vulnerability, as there is no CSRF mitigation (Tokens etc.). The fix introduced in version version 1.05 unintentionally breaks uploading so version v1.0.7 is the fixed vers

How urgent is CVE-2020-15135?

Priority 42/100. Public exploit reference

Software pages

npm packages vulnerabilities

References

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