CVE-2024-53924 json
Pycel allows code injection via a crafted formula
published last yr. modified 4mo ago also GHSA-pw67-xjhq-389w , PYSEC-2025-177 , EUVD-2025-12282
- cvss
- 9.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 62%
- public exploits
- 0
- none known
Summary
Pycel through 1.0b30, when operating on an untrusted spreadsheet, allows code execution via a crafted formula in a cell, such as one beginning with the =IF(A1=200, eval("__import__('os').system( substring.
Is CVE-2024-53924 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- total
- Assessed
- last yr.
Exploit prediction
0.98% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-11).
Exploits and checks
- gist.github.com https://gist.github.com/aelmosalamy/cb098e61939718d2bb248fd1cc94f287 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| OSV | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | pycel | <=1.0b30 <=1.0-beta0 <=1.0-beta11 <=1.0-beta12 <=1.0-beta13 <=1.0-beta14 <=1.0-beta15 <=1.0-beta16 <=1.0-beta17 <=1.0-beta18 <=1.0-beta19 <=1.0-beta2 <=1.0-beta20 <=1.0-beta21 <=1.0-beta22 <=1.0-beta26 <=1.0-beta27 <=1.0-beta28 <=1.0-beta29 <=1.0-beta3 <=1.0-beta30 <=1.0-beta4 <=1.0-beta5 <=1.0-beta6 <=1.0-beta7 <=1.0-beta8 |
no fix listed |
Classification
- Weakness
-
- CWE-94 Improper Control of Generation of Code
References
-
gist.github.com
/aelmosalamy/cb098e61939718d2bb248fd1cc94f287
exploit, web, third-party-advisory, evidence
-
pypi.org
/project/pycel/
product, package
-
github.com
/stephenrauch/pycel
package, product
-
github.com
/dgorissen/pycel
web, product, package
-
nvd.nist.gov
/vuln/detail/CVE-2024-53924
advisory
-
github.com
/pypa/advisory-database/tree/main/vulns/pycel/PYSEC-2025-177.yaml
web
-
pypi.org
/project/pycel
web
-
github.com
/advisories/GHSA-pw67-xjhq-389w
advisory
Sources
- CVE List CVE-2024-53924
- GitHub Advisory GHSA-pw67-xjhq-389w
- NVD CVE-2024-53924
- OSV PYSEC-2025-177
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.