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CVE-2022-3439

31
FAUCET Score

CVE-2022-3439 is a critical vulnerability affecting ikus-soft rdiffweb versions prior to 2.5.0, stemming from an Allocation of Resources Without Limits or Throttling (CWE-770). With a CVSS score of 9.8, this vulnerability allows an unauthenticated attacker to remotely achieve high impact on confidentiality, integrity, and availability with low attack complexity. While no active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion has been observed, its high FAUCET Risk Score of 77/100 indicates a substantial potential threat. Organizations using affected rdiffweb versions should prioritize patching to mitigate this severe risk.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.5.0CPE matchmatch criteria
cpe:2.3:a:ikus-soft:rdiffweb:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

4.5MEDIUM

CVSS:3.0/AV:P/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:H

Attack Vector
PHYSICAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
HIGH
Exploitability Score
0.2
Impact Score
4.2
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.63%
Probability of exploitation in next 30 days
EPSS Percentile
46.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0063 is in the 25th percentile among its peer group of 36,833 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

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
pippatch availablevia ghsa
Product: rdiffwebFixed in: 2.5.0

Vendor Advisories (1)

pipGHSA-x8x2-wc2h-wc48critical

Missing rate limit on rdiffweb

Oct 14, 2022

References

github.com / ikus060/rdiffweb/commit/b78ec09f4582e363f6f449df6f987127e126c311
PatchThird Party Advisory
huntr.dev / bounties/37b86c45-b240-4626-bd53-b6f02d10e0d7
Permissions RequiredThird Party Advisory