All vulnerabilities

Servers and applications

CVE-2010-4681

Unspecified vulnerability on Cisco Adaptive Security Appliances (ASA) 5500 series devices with software before 8.2(3) allows remote attackers to bypass SMTP inspection via vectors involving a prepended space character, aka Bug ID CSCte14901.

Severity
High 7.5
Published
7 Jan 2011
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
2.3% in the next 30 daysHigher than 83% of CVEs. EPSS by FIRST, 12 Nov 2026
Attack
Over the network · No login needed
Attacker can
Read some data · Change some data · Slow it down
CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Sources
NVD

Affected software

SoftwareAffected versions
Cisco ASA and Firepower Threat DefenseServers and applications · cpe:o:cisco:adaptive_security_appliance_software
  • Version 8.2.2-interim
  • Version 8.2.2
  • Version 8.2.1
  • Version 8.2(1)
All 56 release lines
  • Every version up to 8.2\(2\)
  • Version 7.0
  • Version 7.0(0)
  • Version 7.0(2)
  • Version 7.0(4)
  • Version 7.0(5)
  • Version 7.0(5.2)
  • Version 7.0(6.7)
  • Version 7.0.1
  • Version 7.0.1.4
  • Version 7.0.2
  • Version 7.0.4
  • Version 7.0.4.3
  • Version 7.0.5
  • Version 7.0.6
  • Version 7.0.7
  • Version 7.0.8
  • Version 7.0.8-interim
  • Version 7.1
  • Version 7.1(2)
  • Version 7.1(2.5)
  • Version 7.1(2.27)
  • Version 7.1(2.48)
  • Version 7.1(2.49)
  • Version 7.1(5)
  • Version 7.1.1
  • Version 7.1.2
  • Version 7.2
  • Version 7.2(1)
  • Version 7.2(1.22)
  • Version 7.2(2)
  • Version 7.2(2.5)
  • Version 7.2(2.7)
  • Version 7.2(2.8)
  • Version 7.2(2.10)
  • Version 7.2(2.14)
  • Version 7.2(2.15)
  • Version 7.2(2.16)
  • Version 7.2(2.17)
  • Version 7.2(2.18)
  • Version 7.2(2.19)
  • Version 7.2(2.48)
  • Version 7.2.1
  • Version 7.2.2
  • Version 7.2.3
  • Version 7.2.4
  • Version 7.2.5
  • Version 8.0
  • Version 8.0.2
  • Version 8.0.3
  • Version 8.0.4
  • Version 8.0.5
  • Version 8.2(1)
  • Version 8.2.1
  • Version 8.2.2
  • Version 8.2.2-interim

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2010-4681
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2010-4681