What is CVE-2020-27976?

CVE-2020-27976 is a critical-severity vulnerability in Oscommerce, classified under OS Command Injection. CVSS score: 9.8/10. Published 2020-10-28.

How severe is CVE-2020-27976?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2020-27976 known to be exploited?

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

RCE in Oscommerce

CVE-2020-27976

osCommerce Phoenix CE before 1.0.5.4 allows OS command injection remotely. Within admin/mail.php, a from POST parameter can be passed to the application. This affects the PHP mail function, and the sendmail -f option.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.070 (93.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Oscommerce
N/a — versions n/a

Weakness classification (CWE)

CWE-78 — OS Command Injection

Public proof-of-concept exploits

References

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

Frequently asked questions

What is CVE-2020-27976?: CVE-2020-27976 is a critical-severity vulnerability in Oscommerce, classified under OS Command Injection. CVSS score: 9.8/10. Published 2020-10-28.
How severe is CVE-2020-27976?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2020-27976 known to be exploited?: 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.