What is the CVSS score of CVE-2022-39241?

CVE-2022-39241 has a CVSS 3.1 base score of 4.9 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.5%.

Discourse CVE-2022-39241

MEDIUM

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

2022-11-02 security-advisories@github.com

SSRF Discourse

4.9

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

4.9 MEDIUM

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

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:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

CVE Published

Nov 02, 2022 - 17:15 nvd

MEDIUM 4.9

DescriptionNVD

Discourse is a platform for community discussion. A malicious admin could use this vulnerability to perform port enumeration on the local host or other hosts on the internal network, as well as against hosts on the Internet. Latest stable, beta, and test-passed versions are now patched. As a workaround, self-hosters can use DISCOURSE_BLOCKED_IP_BLOCKS env var (which overrides blocked_ip_blocks setting) to stop webhooks from accessing private IPs.

AnalysisAI

Discourse is a platform for community discussion. Rated medium severity (CVSS 4.9), this vulnerability is remotely exploitable, low attack complexity. 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. Discourse is a platform for community discussion. A malicious admin could use this vulnerability to perform port enumeration on the local host or other hosts on the internal network, as well as against hosts on the Internet. Latest stable, beta, and test-passed versions are now patched. As a workaround, self-hosters can use DISCOURSE_BLOCKED_IP_BLOCKS env var (which overrides blocked_ip_blocks setting) to stop webhooks from accessing private IPs. Affected products include: Discourse.

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.