The AES-GCM implementation in WebCrypto API accepts 0-length IV when it should require a length of 1 according to the NIST Special Publication 800-38D specification
Published Jun 11, 2018
5.3
MEDIUMCVSS 3.0
EPSS 1.36%
Description
The AES-GCM implementation in WebCrypto API accepts 0-length IV when it should require a length of 1 according to the NIST Special Publication 800-38D specification. This might allow for the authentication key to be determined in some instances. This vulnerability affects Firefox < 56.
Affected products
-
- Version unspecifiedStatusaffectedConstraints<56
- Version
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
AV:N/AC:L/Au:N/C:P/I:N/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.36% (0.01361) | 70.74th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.36% (0.01361) | 70.51th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.20% (0.00200) | 57.98th | v3 (v2023.03.01) |
| Dec 12, 2023 | 0.20% (0.00200) | 57.67th | v3 (v2023.03.01) |
| Nov 2, 2023 | 0.27% (0.00273) | 64.49th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.46% (0.00458) | 72.18th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.52% (0.00524) | 73.33th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.10% (0.01105) | 29.18th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.10% (0.01105) | 0.00th | v1 |
No CWE recorded.
References (4)
- http://www.securityfocus.com/bid/101057 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1039465 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=1368859 x_refsource_CONFIRMIssue Tracking
- https://www.mozilla.org/security/advisories/mfsa2017-21/ x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/101057 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1039465 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://bugzilla.mozilla.org/show_bug.cgi?id=1368859 | x_refsource_CONFIRMIssue Tracking | |
| https://www.mozilla.org/security/advisories/mfsa2017-21/ | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.