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CVE-2021-20179A flaw was found in pki-core. An attacker who has successfully compromised a key could use this flaw to renew the corresponding…
- 8.1HighCVSS base score
- 1.2%Exploitation in 30 daysEPSS · top 31% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
A flaw was found in pki-core. An attacker who has successfully compromised a key could use this flaw to renew the corresponding certificate over and over again, as long as it is not explicitly revoked. The highest threat from this vulnerability is to data confidentiality and integrity.
Timeline
ID reserved
By redhat
- 3 months later
· 3 months later
Published
- 3 years later
· 3 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High8.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N |
- EPSS (exploitation in 30 days)
- 1.2% · top 31% of all CVEs (12 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.1.
Affected products
pki-core
- affected pki-core 10.5, pki-core 10.8, pki-core 10.9, pki-core 10.10, pki-core 10.11
References
References9
- https://bugzilla.redhat.com/show_bug.cgi?id=1914379 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/dogtagpki/pki/pull/3478 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/dogtagpki/pki/pull/3477 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/dogtagpki/pki/pull/3476 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/dogtagpki/pki/pull/3475 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/dogtagpki/pki/pull/3474 (opens in a new tab)x_refsource_MISCx_transferred
- FEDORA-2021-c0d6637ca5 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- FEDORA-2021-344dd24c84 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- FEDORA-2021-6c412a4601 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2021-7635 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2021-20179)Record last updated .