CVE-2024-21645 json
pyLoad Log Injection
published 2024-01-08 2 y ago modified 2026-09-10 1 mo ago also GHSA-ghmw-rwh8-6qmr , PYSEC-2026-1818 , EUVD-2024-0358
- cvss
- 5.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 24.7%
- EPSS 24.7% chance of exploitation in 30 days, percentile 97%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
pyLoad is the free and open-source Download Manager written in pure Python. A log injection vulnerability was identified in `pyload` allowing any unauthenticated actor to inject arbitrary messages into the logs gathered by `pyload`. Forged or otherwise, corrupted log files can be used to cover an attacker’s tracks or even to implicate another party in the commission of a malicious act. This vulnerability has been patched in version 0.5.0b3.dev77.
Patch / fix
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
24.70% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Nuclei template pyload - Log Injection nuclei detection template
- github.com https://github.com/pyload/pyload/security/advisories/GHSA-ghmw-rwh8-6qmr referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
| NVD | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
| GitHub | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
| OSV | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | pyload-ng | <0.5.0b3.dev77 |
0.5.0b3.dev77 |
Affected products
- pyload pyload
Classification
- Weakness
-
- CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component
References
-
github.com
/pyload/pyload/commit/4159a1191ec4fe6d927e57a9c4bb8f54e16c381d
web, patch
-
github.com
/pyload/pyload/security/advisories/GHSA-ghmw-rwh8-6qmr
web, exploit, vendor-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2024-21645
advisory
-
github.com
/pyload/pyload
package
-
pypi.org
/project/pyload-ng
package
-
github.com
/advisories/GHSA-ghmw-rwh8-6qmr
advisory
Sources
- CVE List CVE-2024-21645
- GitHub Advisory GHSA-ghmw-rwh8-6qmr
- NVD CVE-2024-21645
- OSV PYSEC-2026-1818
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.