CVE-2022-2097
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AES OCB fails to encrypt some bytes
rank 36 = 16 + 13 + 0 + 7 + 0
rank@v1 · scheduled
Someone is already using it
CISA KEV catalog · public proof-of-concept · FIRST EPSS
EPSS 0.04680 · without this subject the record ranks 20
What it costs you if it fires
NVD CVSS base score, then the CNA's own
CVSS 5.3, from NVD · without this subject the record ranks 23
It is getting worse, not staying still
FIRST EPSS series, rescorings and bad loads removed
no persisting rise in 365 days · without this subject the record ranks 36
How much of the world it touches
NVD CPE configurations
8 products in the CPE ranges · without this subject the record ranks 29
Someone else already set the date
CISA KEV remediation due date
no CISA due date · without this subject the record ranks 36
$56,200 = $4.99M incident cost x 0.24048551839932833 exposure x 0.0468 likelihood
udv@v1 · unaudited · wrong for you until you say what you run
$4.99M is the cost of a breach that happened, from IBM Cost of a Data Breach Report 2026, global average. It is not the value of any asset of yours. That average already covers breaches of every severity, so scaling it by exposure understates a partial-impact record. That is an assumption, not a measurement. Your own asset value goes in the decision record.
Hindsight · the state
Foresight · where to check next
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Harm, if it fires from the vector and the weakness
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CISA KEV & Federal Remediation Deadline from the record and CISA
The fix, and how long it's been waiting.
Exploit Status & Known PoCs a ladder, not a score
Current rung: Proof-of-concept published · 1 public repository, 2022-07-06.
- RUNG 1Nothing observed in held sources
- RUNG 2Proof-of-concept published · 1 public repository2022-07-06receipt
- RUNG 3Exploited in the wild · CISA KEV listed
- RUNG 4Ransomware campaign use known
Affected & Fixed Versions as published
Show all 8 published ranges
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What it is stated by the CNA
AES OCB mode for 32-bit x86 platforms using the AES-NI assembly optimised implementation will not encrypt the entirety of the data under some circumstances. This could reveal sixteen bytes of data that was preexisting in the memory that wasn't written. In the special case of "in place" encryption, sixteen bytes of the plaintext would be revealed. Since OpenSSL does not support OCB based cipher suites for TLS and DTLS, they are both unaffected. Fixed in OpenSSL 3.0.5 (Affected 3.0.0-3.0.4). Fixed in OpenSSL 1.1.1q (Affected 1.1.1-1.1.1p). receipt
NVD's analysis a second authority
- severity
- 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- weakness
- CWE-327
- affected versions
- openssl >= 1.1.1 < 1.1.1q; openssl >= 3.0.0 < 3.0.5; fedoraproject fedora 35; and 5 more, listed in full below
check it yourself openssl.org git.openssl.org git.openssl.org lists.fedoraproject.org lists.fedoraproject.org security.netapp.com +7 morereceipt
Movement the material steps
This score more than doubled inside 72 hours. Both observations are in the full history below.
Show all 50 observations
50 observations held. A highlighted step crossed a promotion threshold. A step marked with a scoring model moved because the instrument was replaced, not because the vulnerability changed. receipt
Siblings and hubs
Records related to this one
No record cites this identifier and it carries no alias. Its defect family is below.
Its defect family
openssl
Of the 7 records in this family, this is the only one whose title names aes ocb fails.
Grouped by shared product and weakness, not by shared vulnerability. Each record's own state is on its own page.
Family membership: held values
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What usually comes next
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