CVE-2015-2808
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The RC4 algorithm, as used in the TLS protocol and SSL protocol, does not properly combine state data with key data during the initialization phase…
rank 42 = 18 + 13 + 1 + 10 + 0
rank@v1 · scheduled
Someone is already using it
CISA KEV catalog · public proof-of-concept · FIRST EPSS
EPSS 0.73851 · without this subject the record ranks 24
What it costs you if it fires
NVD CVSS base score, then the CNA's own
CVSS 5.0, from NVD · without this subject the record ranks 29
It is getting worse, not staying still
FIRST EPSS series, rescorings and bad loads removed
rose on 2026-05-24 · without this subject the record ranks 41
How much of the world it touches
NVD CPE configurations
20 products in the CPE ranges · without this subject the record ranks 32
Someone else already set the date
CISA KEV remediation due date
no CISA due date · without this subject the record ranks 42
$1.05M = $4.99M incident cost x 0.28625080150224425 exposure x 0.73851 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: Nothing observed in held sources.
- RUNG 1Nothing observed in held sources
- RUNG 2Proof-of-concept published
- RUNG 3Exploited in the wild · CISA KEV listed
- RUNG 4Ransomware campaign use known
Affected & Fixed Versions as published
Show all 20 published ranges
A rung lights from a row in the index, never from an assessment. "Held sources" is the true scope of the claim: this index reads the CVE record, NVD, CISA KEV, FIRST's EPSS and public proof-of-concept repositories, and it does not observe attacks.
What it is stated by the CNA
The RC4 algorithm, as used in the TLS protocol and SSL protocol, does not properly combine state data with key data during the initialization phase, which makes it easier for remote attackers to conduct plaintext-recovery attacks against the initial bytes of a stream by sniffing network traffic that occasionally relies on keys affected by the Invariance Weakness, and then using a brute-force approach involving LSB values, aka the "Bar Mitzvah" issue. receipt
NVD's analysis a second authority
- severity
- 5 AV:N/AC:L/Au:N/C:P/I:N/A:N
- weakness
- CWE-327
- affected versions
- oracle communications application session controller >= 3.0.0 <= 3.9.0; oracle communications policy management < 9.9.2; oracle http server 11.1.1.7.0; and 17 more, listed in full below
- also scored by
- 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
check it yourself marc.info rhn.redhat.com rhn.redhat.com marc.info marc.info oracle.com +14 morereceipt
Dated events
Movement the material steps
This score more than doubled inside 72 hours. Both observations are in the full history below.
Show all 53 observations
53 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
The full biography
Exploit probability more than doubled between 2025-12-01 and 2025-12-04 (0.13688 → 0.4068) and the record had been public for 11 years, 3 months when this index was last written.
Siblings and hubs
Records related to this one
None. No alias set, and nothing in the corpus cites this identifier or shares its product family within 60 days.
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What usually comes next
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