CVE-2015-4278: cisco email_security_appliance_firmware Improper Input Validation
CVSS: 4.3v2.0MediumModified
Published 16-07-2015Last modified 06-08-2024
Vulnerability summary
CVE-2015-4278 is a medium (CVSS 4.3) Improper Input Validation vulnerability in cisco email_security_appliance_firmware. EPSS estimates a 1.53% chance of exploitation in the next 30 days, higher than 74.4% of scored vulnerabilities.
CVSS score
4.3/10
010
Medium · v2.0 (NVD)EPSS score
1.53%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 16-07-2015PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
Cisco Email Security Appliance (ESA) devices with software 8.5.6-106 and 9.5.0-201 allow remote attackers to cause a denial of service (per-domain e-mail reception outage) by placing malformed DMARC policy data in DNS TXT records for a domain, aka Bug ID CSCuv14806.
CVSS metrics
1 score · 1 source · 1 versionMedium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
1.53%
Chance of exploitation in the next 30 days
Percentile
74%
Versus all other CVEs
30-day change
0.00 pp
From 1.53% on 19-09-2026
19-09-202619-10-2026
EPSS score1.53%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Cisco1 product
- email_security_appliance_firmware8.5.6-106 | 9.5.0-201
1 vendor · 1 product