What is CVE-2020-21321?

CVE-2020-21321 is a medium-severity vulnerability in Emlog, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.3/10. Published 2021-09-15.

How severe is CVE-2020-21321?

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

Is CVE-2020-21321 known to be exploited?

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

CSRF in Emlog

CVE-2020-21321

emlog v6.0 contains a Cross-Site Request Forgery (CSRF) via /admin/link.php?action=addlink, which allows attackers to arbitrarily add articles.

Vulnerability class: CSRF (Cross-Site Request Forgery)

EPSS: 0.005 (42.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

Emlog — versions 6.0.0
N/a — versions n/a

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

Public proof-of-concept exploits

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2020-21321?: CVE-2020-21321 is a medium-severity vulnerability in Emlog, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.3/10. Published 2021-09-15.
How severe is CVE-2020-21321?: Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2020-21321 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.