CVE-2020-10511

Name: CVE-2020-10511
Creator: NVD / NIST
Published: 2020-04-15T07:15:12.817+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 2.23%

Last modified Jun 17, 2026

CVE-2020-10511 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. HGiga C&Cmail CCMAILQ before olln-base-6.0-418.i386.rpm and CCMAILN before olln-base-5.0-418.i386.rpm contains insecure configurations. Attackers can exploit these flaws to access unauthorized functionality via a crafted URL.. EPSS estimates a 2.23% chance of exploitation in the next 30 days.

Description

HGiga C&Cmail CCMAILQ before olln-base-6.0-418.i386.rpm and CCMAILN before olln-base-5.0-418.i386.rpm contains insecure configurations. Attackers can exploit these flaws to access unauthorized functionality via a crafted URL.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

2.23%

80.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-78

Affected Software

Vendor	Product	Versions
Hgiga	Oaklouds Ccm\@Il	All versions

References

https://gist.github.com/tonykuo76/7d41c414f23ef1e47c97f7b97e1b33b0Third Party Advisory
https://www.chtsecurity.com/news/19400b04-ea92-4eaa-afa7-2449fd9b2e0bThird Party Advisory
https://www.twcert.org.tw/tw/cp-132-3535-e40ec-1.htmlThird Party Advisory
https://gist.github.com/tonykuo76/7d41c414f23ef1e47c97f7b97e1b33b0Third Party Advisory
https://www.chtsecurity.com/news/19400b04-ea92-4eaa-afa7-2449fd9b2e0bThird Party Advisory
https://www.twcert.org.tw/tw/cp-132-3535-e40ec-1.htmlThird Party Advisory

Timeline

Published: Apr 15, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-10511?

How severe is CVE-2020-10511?

CVE-2020-10511 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.23% probability of exploitation in the next 30 days.

How do I fix CVE-2020-10511?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-10511?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST