Medium severity · published Mar 15, 2013
CVE-2013-2566
The RC4 algorithm, as used in the TLS protocol and SSL protocol, has many single-byte biases, which makes it easier for remote attackers to conduct plaintext-recovery attacks via…
5.9
CVSS
84.4%
EPSS
No
On KEV
Description
The RC4 algorithm, as used in the TLS protocol and SSL protocol, has many single-byte biases, which makes it easier for remote attackers to conduct plaintext-recovery attacks via statistical analysis of ciphertext in a large number of sessions that use the same plaintext.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)84.4% · higher than 100% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FI
Firefox · Mozilla
before 17.0.11; before 25.0.1; 24.1.0 before 24.1.1 · source: NVD
HS
Http Server · Oracle
11.1.1.7.0; 11.1.1.9.0; 12.1.3.0.0; 12.2.1.1.0; 12.2.1.2.0 · source: NVD
IL
Integrated Lights Out Manager Firmware · Oracle
3.0.0 through 3.2.11; 4.0.0 through 4.0.4 · source: NVD
MF
M10-1 Firmware · Fujitsu
xcp before xcp2280 · source: NVD
MF
M10-4 Firmware · Fujitsu
xcp before xcp2280 · source: NVD
MF
M10-4s Firmware · Fujitsu
xcp before xcp2280 · source: NVD
SE
Seamonkey · Mozilla
before 2.22.1 · source: NVD
SE
Sparc Enterprise M3000 Firmware · Fujitsu
xcp before xcp_1121 · source: NVD
SE
Sparc Enterprise M4000 Firmware · Fujitsu
xcp before xcp_1121 · source: NVD
SE
Sparc Enterprise M5000 Firmware · Fujitsu
xcp before xcp_1121 · source: NVD
SE
Sparc Enterprise M8000 Firmware · Fujitsu
xcp before xcp_1121 · source: NVD