What is the CVSS score of CVE-2021-27132?

CVE-2021-27132 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: 16.7%.

Is there a public PoC exploit available for CVE-2021-27132?

Yes, a public proof-of-concept exploit is available for CVE-2021-27132. Prioritise patching immediately. EPSS: 16.7%.

Agcombo Vd625 Firmware CVE-2021-27132

CRITICAL

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') (CWE-74)

2021-02-27 cve@mitre.org

Code Injection Agcombo Vd625 Firmware

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

Feb 27, 2021 - 06:15 nvd

CRITICAL 9.8

DescriptionNVD

SerComm AG Combo VD625 AGSOT_2.1.0 devices allow CRLF injection (for HTTP header injection) in the download function via the Content-Disposition header.

AnalysisAI

SerComm AG Combo VD625 AGSOT_2.1.0 devices allow CRLF injection (for HTTP header injection) in the download function via the Content-Disposition header. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and EPSS exploitation probability 16.7%.

Technical ContextAI

This vulnerability is classified under CWE-74. SerComm AG Combo VD625 AGSOT_2.1.0 devices allow CRLF injection (for HTTP header injection) in the download function via the Content-Disposition header. Affected products include: Sercomm Agcombo Vd625 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.