What is CVE-2020-13788?

CVE-2020-13788 is a medium-severity vulnerability in Linuxfoundation Harbor, classified under Server-Side Request Forgery (SSRF). CVSS score: 4.3/10. Published 2020-07-15.

How severe is CVE-2020-13788?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Is CVE-2020-13788 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

SSRF in Linuxfoundation Harbor

CVE-2020-13788

Harbor prior to 2.0.1 allows SSRF with this limitation: an attacker with the ability to edit projects can scan ports of hosts accessible on the Harbor server's intranet.

Vulnerability class: SSRF (Server-Side Request Forgery)

Published 2020-07-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.013 (69.5th percentile), scored 2026-10-03.

Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 69.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: +0.000

Affected products

Linuxfoundation Harbor

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

Public proof-of-concept exploits

Eriner/eriner

References

github.com/goharbor/harbor/releases (Third Party Advisory)
www.soluble.ai/blog/harbor-ssrf-cve-2020-13788 (Exploit, Third Party Advisory)
www.youtube.com/watch (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2020-13788?: CVE-2020-13788 is a medium-severity vulnerability in Linuxfoundation Harbor, classified under Server-Side Request Forgery (SSRF). CVSS score: 4.3/10. Published 2020-07-15.
How severe is CVE-2020-13788?: Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2020-13788 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.