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CVE-2021-37425

76
FAUCET Score

CVE-2021-37425 describes an XML External Entity (XXE) vulnerability in Altova MobileTogether Server versions prior to 7.3 SP1. This critical vulnerability (CVSS 9.1) allows unauthenticated remote attackers to perform actions such as reading sensitive configuration files (e.g., mobiletogetherserver.cfg) and potentially extracting certificates and private keys. While not listed on CISA's KEV catalog, public exploit code exists (EDB-50191), and the vulnerability has garnered significant community discussion, indicating a high potential for exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
>= 7.0, < 7.3CPE matchmatch criteria
cpe:2.3:a:altova:mobiletogether_server:*:*:*:*:*:*:*:*
7.3CPE matchmatch criteria
cpe:2.3:a:altova:mobiletogether_server:7.3:-:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.1CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
66.28%
Probability of exploitation in next 30 days
EPSS Percentile
99.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-50191 · Aug 12, 2021
This CVE's current EPSS score of 0.6628 is in the 97th percentile among its peer group of 36,862 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

No media coverage found for this CVE.

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

Remediation

Remediation records are not available for this CVE.

References

seclists.org / fulldisclosure/2021/Aug/12
ExploitMailing ListThird Party Advisory
altova.com / mobiletogether
Vendor Advisory
redteam-pentesting.de / advisories/rt-sa-2021-002
ExploitThird Party Advisory
redteam-pentesting.de / en/advisories/-advisories-publicised-vulnerability-analyses
Third Party Advisory