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CVE-2024-1021

60
FAUCET Score

CVE-2024-1021 is a critical Server-Side Request Forgery (SSRF) vulnerability affecting Rebuild versions up to 3.5.5, specifically within the HTTP Request Handler's readRawText function. This flaw allows an unauthenticated attacker to remotely manipulate the 'url' argument, leading to severe impacts on confidentiality, integrity, and availability. With a CVSS score of 9.8 and an EPSS score of 0.929, this vulnerability is highly exploitable, and public exploit details are available, including Nuclei templates. Despite the high severity and public disclosure, there is currently no evidence of active exploitation, Metasploit modules, or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.5.5CPE matchmatch criteria
cpe:2.3:a:ruifang-tech:rebuild:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
2.8
Impact Score
3.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
34.71%
Probability of exploitation in next 30 days
EPSS Percentile
98.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Nuclei: CVE-2024-1021 · Feb 25, 2024
This CVE's current EPSS score of 0.3471 is in the 95th percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

vuldb.com
Permissions RequiredThird Party Advisory
vuldb.com
Third Party Advisory
yuque.com / mailemonyeyongjuan/tha8tr/yemvnt5uo53gfem5
ExploitThird Party Advisory