What is the CVSS score of CVE-2021-35391?

CVE-2021-35391 has a CVSS 3.1 base score of 7.2 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.9%.

Is there a public PoC exploit available for CVE-2021-35391?

Yes, a public proof-of-concept exploit is available for CVE-2021-35391. Prioritise patching immediately. EPSS: 0.9%.

Deskpro CVE-2021-35391

HIGH

Server-Side Request Forgery (SSRF) (CWE-918)

2023-07-21 cve@mitre.org

RCE SSRF Deskpro

7.2

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.2 HIGH

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Jul 21, 2023 - 20:15 nvd

HIGH 7.2

DescriptionNVD

Server Side Request Forgery vulnerability found in Deskpro Support Desk v2021.21.6 allows attackers to execute arbitrary code via a crafted URL.

AnalysisAI

Server Side Request Forgery vulnerability found in Deskpro Support Desk v2021.21.6 allows attackers to execute arbitrary code via a crafted URL. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Server-Side Request Forgery (SSRF) (CWE-918), which allows attackers to make the server perform requests to unintended internal or external resources. Server Side Request Forgery vulnerability found in Deskpro Support Desk v2021.21.6 allows attackers to execute arbitrary code via a crafted URL. Affected products include: Deskpro.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate and allowlist destination URLs, block requests to internal networks, use network segmentation.