Vulnerability · Published Apr 27, 2021 · Assigned by GitHub_M
CVE-2021-29476Insecure Deserialization of untrusted data in rmccue/requests
Critical 9.8
In plain English
A critical-severity unsafe deserialization in Requests from WordPress. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.1% (higher than 82% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)2.1%top 17.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Requests is a HTTP library written in PHP. Requests mishandles deserialization in FilteredIterator. The issue has been patched and users of `Requests` 1.6.0, 1.6.1 and 1.7.0 should update to version 1.8.0.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | wordpress | 5.5.3+dfsg1-1 | DEBIAN-CVE-2021-29476 |
| Debian:13 | wordpress | 5.5.3+dfsg1-1 | DEBIAN-CVE-2021-29476 |
| Debian:14 | wordpress | 5.5.3+dfsg1-1 | DEBIAN-CVE-2021-29476 |
| Packagist | rmccue/requests | 1.8.0 | GHSA-52qp-jpq7-6c54 |
Affected products (as reported)
Weakness: CWE-502 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- https://github.com/WordPress/Requests/security/advisories/GHSA-52qp-jpq7-6c54 x_refsource_CONFIRM
- https://github.com/rmccue/Requests/pull/421 x_refsource_MISC