CVE-2021-40720 json
Ops CLI Deserialization of Untrusted Data leads to Abritrary Code Execution
published 2021-10-15 5 y ago modified 2026-06-17 4 mo ago also GHSA-x23q-4j9j-9cxw , PYSEC-2021-380 , EUVD-2021-0164
- cvss
- 9.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 9.5%
- EPSS 9.5% chance of exploitation in 30 days, percentile 95%
- public exploits
- 0
- none known
Summary
Ops CLI version 2.0.4 (and earlier) is affected by a Deserialization of Untrusted Data vulnerability to achieve arbitrary code execution when the checkout_repo function is called on a maliciously crafted file. An attacker can leverage this to execute arbitrary code on the victim machine.
Patch / fix
- pypi ops-cli 2.0.5
- adobe ops-cli 2.0.5
Exploit prediction
9.52% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
| GitHub | 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 | ops-cli | <2.0.5 |
2.0.5 |
Affected products
- Adobe Ops-CLI
Classification
- Weakness
-
- CWE-502 Deserialization of Untrusted Data
References
-
helpx.adobe.com
/security/products/ops_cli/apsb21-88.html
web, patch, release-notes, vendor-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-40720
advisory
-
github.com
/adobe/ops-cli
package
-
github.com
/pypa/advisory-database/tree/main/vulns/ops-cli/PYSEC-2021-380.yaml
web
-
github.com
/advisories/GHSA-x23q-4j9j-9cxw
advisory
Sources
- CVE List CVE-2021-40720
- GitHub Advisory GHSA-x23q-4j9j-9cxw
- NVD CVE-2021-40720
- OSV PYSEC-2021-380
Fencer Vulns 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.