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CVE-2020-26103

In cPanel before 88.0.3, an insecure site password is used for Mailman on a templated VM (SEC-551).

7.5 High

In cPanel before 88.0.3, an insecure site password is used for Mailman on a templated VM (SEC-551).

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
None
Availability
None

Exploit likelihood

1.31%Up 0.9 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 7.5

In cPanel before 88.0.3, an insecure site password is used for Mailman on a templated VM (SEC-551).

Record
CVE-2020-26103
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:P/I:N/A:N
Weakness
CWE-521
Updated
2026-11-02
CVE List No score

In cPanel before 88.0.3, an insecure site password is used for Mailman on a templated VM (SEC-551).

Record
CVE-2020-26103
Updated
2026-11-02
EUVDEUVD-2020-18733 No score

In cPanel before 88.0.3, an insecure site password is used for Mailman on a templated VM (SEC-551).

Record
EUVD-2020-18733
Updated
2026-11-03
GitHub AdvisoriesGHSA-699r-272q-qvfp No score

In cPanel before 88.0.3, an insecure site password is used for Mailman on a templated VM (SEC-551).

In cPanel before 88.0.3, an insecure site password is used for Mailman on a templated VM (SEC-551).

Record
GHSA-699r-272q-qvfp
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-26103 is a high vulnerability (CVSS 7.5) in Cpanel, published September 25, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.31%, the 70th percentile. No source names a fixed version.

References

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