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CVE-2022-20798

31
FAUCET Score

CVE-2022-20798 is a critical authentication bypass vulnerability affecting Cisco Secure Email and Web Manager and Cisco Email Security Appliance. This flaw, stemming from improper LDAP authentication checks, allows an unauthenticated, remote attacker to gain unauthorized access to the web management interface. With a CVSS score of 9.8 (CRITICAL), a successful exploit could lead to complete compromise of the device. While there are no known public exploits or active exploitation, the vulnerability has garnered significant community discussion and media coverage, indicating high awareness.

Impacted Technologies

VendorProductVersion(s)CPE
>= 14.0, < 14.0.1-033CPE matchmatch criteria
cpe:2.3:a:cisco:email_security_appliance:*:*:*:*:*:*:*:*
7.1.5CPE matchmatch criteria
cpe:2.3:a:cisco:email_security_appliance:7.1.5:*:*:*:*:*:*:*
>= 13.0, < 13.0.0-277CPE matchmatch criteria
cpe:2.3:a:cisco:secure_email_and_web_manager:*:*:*:*:*:*:*:*
>= 13.6, < 13.6.2-090CPE matchmatch criteria
cpe:2.3:a:cisco:secure_email_and_web_manager:*:*:*:*:*:*:*:*
>= 13.8, < 13.8.1-090CPE matchmatch criteria
cpe:2.3:a:cisco:secure_email_and_web_manager:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.43%
Probability of exploitation in next 30 days
EPSS Percentile
70.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0143 is in the 57th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

ciscovendor investigatingvia nvd_reference
View patch

References

tools.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-sma-esa-auth-bypass-66kEcxQD
Vendor Advisory