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CVE-2017-5992

21
FAUCET Score

CVE-2017-5992 describes an XML External Entity (XXE) vulnerability in Openpyxl versions prior to 2.4.1, allowing remote attackers to execute XXE attacks through specially crafted .xlsx documents. With a CVSS score of 8.2 (High), this vulnerability has a low attack complexity and requires user interaction, potentially leading to high confidentiality impact and high availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.4.1CPE matchmatch criteria
cpe:2.3:a:python:openpyxl:2.4.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.2HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.8
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.16%
Probability of exploitation in next 30 days
EPSS Percentile
63.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0116 is in the 61st percentile among its peer group of 11,616 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, 0.1 Bluesky, 0.0 Mastodon, and 0.2 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 (1)

pippatch availablevia ghsa
Product: openpyxlFixed in: 2.4.2

Vendor Advisories (1)

pipGHSA-chqf-hx79-gxc6medium

Improper Restriction of XML External Entity Reference in Openpyxl

May 17, 2022

References

bitbucket.org / openpyxl/openpyxl/commits/3b4905f428e1
Issue TrackingThird Party Advisory
bitbucket.org / openpyxl/openpyxl/issues/749
Issue TrackingThird Party Advisory
bugs.debian.org / cgi-bin/bugreport.cgi
Issue TrackingThird Party Advisory
openwall.com / lists/oss-security/2017/02/07/5
Mailing ListThird Party Advisory