What is the CVSS score of CVE-2020-12640?

CVE-2020-12640 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 6.7%.

Is there a public PoC exploit available for CVE-2020-12640?

Yes, a public proof-of-concept exploit is available for CVE-2020-12640. Prioritise patching immediately. EPSS: 6.7%.

Is there a patch available for CVE-2020-12640?

Yes, a patch is available for CVE-2020-12640. Update the affected software to the latest version immediately.

PHP CVE-2020-12640

CRITICAL

Path Traversal (CWE-22)

2020-05-04 cve@mitre.org

PHP Path Traversal Webmail Backports Sle Leap

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

May 04, 2020 - 15:15 nvd

CRITICAL 9.8

DescriptionNVD

Roundcube Webmail before 1.4.4 allows attackers to include local files and execute code via directory traversal in a plugin name to rcube_plugin_api.php.

AnalysisAI

Roundcube Webmail before 1.4.4 allows attackers to include local files and execute code via directory traversal in a plugin name to rcube_plugin_api.php. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified as Path Traversal (CWE-22), which allows attackers to access files and directories outside the intended path. Roundcube Webmail before 1.4.4 allows attackers to include local files and execute code via directory traversal in a plugin name to rcube_plugin_api.php. Affected products include: Roundcube Webmail, Opensuse Backports Sle, Opensuse Leap. Version information: before 1.4.4.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Validate and canonicalize file paths. Use chroot or sandboxing. Reject input containing path separators or '../' sequences.