All vulnerabilities

Servers and applications

CVE-2007-2930

The (1) NSID_SHUFFLE_ONLY and (2) NSID_USE_POOL PRNG algorithms in ISC BIND 8 before 8.4.7-P1 generate predictable DNS query identifiers when sending outgoing queries such as NOTIFY messages when answering questions as a resolver, which allows remote attackers to poison DNS caches via unknown vectors. NOTE: this issue is different from CVE-2007-2926.

Severity
Medium 4.3
Published
12 Sept 2007
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
7.6% in the next 30 daysHigher than 94% of CVEs. EPSS by FIRST, 12 Nov 2026
Attack
Over the network · No login needed
Attacker can
Change some data
CVSS vector
AV:N/AC:M/Au:N/C:N/I:P/A:N
Sources
NVD

Affected software

SoftwareAffected versions
BIND 9Servers and applications · cpe:a:isc:bind
  • Every version up to 8.4.7

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2007-2930
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2007-2930