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CVE-2020-29128

24
FAUCET Score

CVE-2020-29128 describes an XML External Entity (XXE) vulnerability in petl before version 1.68, allowing for the resolution of entities within XML documents in certain configurations. This critical vulnerability carries a CVSS score of 9.8, indicating a severe risk with a network-based attack vector, low attack complexity, and high impacts on confidentiality, integrity, and availability. Despite its high severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.6.8CPE matchmatch criteria
cpe:2.3:a:petl_project:petl:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.30%
Probability of exploitation in next 30 days
EPSS Percentile
81.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0230 is in the 71st percentile among its peer group of 36,833 CVEs.

Social Chatter

No social media mentions found for this CVE.

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: petlFixed in: 1.6.8

Vendor Advisories (1)

pipGHSA-f5gc-p5m3-v347high

XXE in petl

Dec 2, 2020

References

github.com / nvn1729/advisories/blob/master/cve-2020-29128.md
Third Party Advisory
github.com / petl-developers/petl/compare/v1.6.7...v1.6.8
PatchThird Party Advisory
github.com / petl-developers/petl/issues/526
Issue TrackingThird Party Advisory
github.com / petl-developers/petl/pull/527
PatchThird Party Advisory
github.com / petl-developers/petl/pull/527/commits/1b0a09f08c3cdfe2e69647bd02f97c1367a5b5f8
PatchThird Party Advisory
github.com / petl-developers/petl/security/advisories/GHSA-f5gc-p5m3-v347
Third Party Advisory
petl.readthedocs.io / en/stable/changes.html
Release NotesVendor Advisory