VulnerabilityModified
CVE-2021-29421
models/metadata.py in the pikepdf package 1.3.0 through 2.9.2 for Python allows XXE when parsing XMP metadata entries.
HIGH 7.5EPSS 1.71%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.71%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
models/metadata.py in the pikepdf package 1.3.0 through 2.9.2 for Python allows XXE when parsing XMP metadata entries.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 1.71% probability · 76th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-611
- Affected
- pikepdf project/pikepdf · fedoraproject/fedora
- Source
- cve@mitre.org
References
- https://github.com/pikepdf/pikepdf/blob/v2.10.0/docs/release_notes.rst#v2100Release Notes, Third Party Advisory
- https://github.com/pikepdf/pikepdf/commit/3f38f73218e5e782fe411ccbb3b44a793c0b343aPatch, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/36P4HTLBJPO524WMQWW57N3QRF4RFSJG/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3QFLBBYGEDNXJ7FS6PIWTVI4T4BUPGEQ/
- https://github.com/pikepdf/pikepdf/blob/v2.10.0/docs/release_notes.rst#v2100Release Notes, Third Party Advisory
- https://github.com/pikepdf/pikepdf/commit/3f38f73218e5e782fe411ccbb3b44a793c0b343aPatch, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/36P4HTLBJPO524WMQWW57N3QRF4RFSJG/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3QFLBBYGEDNXJ7FS6PIWTVI4T4BUPGEQ/
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.