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CVE-2022-33977

24
FAUCET Score

CVE-2022-33977 affects untangle versions 1.2.0 and earlier, a Python library for converting XML to Python objects. This vulnerability stems from improper restriction of recursive entity references in DTDs, allowing a remote, unauthenticated attacker to trigger a denial-of-service (DoS) condition. With a CVSS score of 7.5 (High), the attack is network-based and low complexity, requiring no user interaction or privileges, and its primary impact is availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.2.0CPE matchmatch criteria
cpe:2.3:a:untangle_project:untangle:*:*:*:*:*:python:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.68%
Probability of exploitation in next 30 days
EPSS Percentile
74.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0168 is in the 57th percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

pippatch availablevia ghsa
Product: untangleFixed in: 1.2.1

Vendor Advisories (1)

pipGHSA-7xr3-6ggc-wc9phigh

untangle vulnerable to XML Entity Expansion

Aug 6, 2022

References

github.com / stchris/untangle
ProductThird Party Advisory
github.com / stchris/untangle/releases/tag/1.2.1
Release NotesThird Party Advisory
jvn.jp / en/jp/JVN30454777
Third Party Advisory