CVE-2020-14966
unknown
CVSS v3
—
CVSS v4 NEW
—
VIR risk
—
Description
ECDSA signature validation vulnerability by accepting wrong ASN.1 encoding in jsrsasign
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| npm | jsrsasign | >=4.0.0,<8.0.19 | 8.0.19 |
References
- https://github.com/kjur/jsrsasign/security/advisories/GHSA-p8c3-7rj8-q963
- https://nvd.nist.gov/vuln/detail/CVE-2020-14966
- https://github.com/kjur/jsrsasign/issues/437
- https://github.com/kjur/jsrsasign/commit/6087412d072a57074d3c4c1b40bdde0460d53a7f
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14966
- https://github.com/kjur/jsrsasign
- https://github.com/kjur/jsrsasign/releases/tag/8.0.17
- https://github.com/kjur/jsrsasign/releases/tag/8.0.18
- https://kjur.github.io/jsrsasign
- https://kjur.github.io/jsrsasign/api/symbols/ASN1HEX.html#.checkStrictDER
- https://kjur.github.io/jsrsasign/api/symbols/KJUR.crypto.ECDSA.html
- https://security.netapp.com/advisory/ntap-20200724-0001
- https://vuldb.com/?id.157123
- https://www.npmjs.com/package/jsrsasign
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.