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CVE-2010-1938

51
FAUCET Score

CVE-2010-1938 describes an off-by-one error in the libopie library, specifically in the __opiereadrec function, affecting OPIE 2.4.1-test1 and earlier, including FreeBSD versions 6.4 through 8.1-PRERELEASE. This flaw allows remote attackers to trigger a denial of service or potentially execute arbitrary code through a crafted, long username, as demonstrated against the FreeBSD 8.0 ftpd. With a CVSS score of 9.3 (Critical), this vulnerability has a high attack complexity and severe potential impact across confidentiality, integrity, and availability. While not listed on CISA's KEV catalog or currently active on the Hot List, a Proof-of-Concept exploit is publicly available on ExploitDB, though there is minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
6CPE matchmatch criteria
cpe:2.3:o:freebsd:freebsd:6:stable:*:*:*:*:*:*
6.4CPE matchmatch criteria
cpe:2.3:o:freebsd:freebsd:6.4:*:*:*:*:*:*:*
6.4CPE matchmatch criteria
cpe:2.3:o:freebsd:freebsd:6.4:release:*:*:*:*:*:*
6.4CPE matchmatch criteria
cpe:2.3:o:freebsd:freebsd:6.4:release_p2:*:*:*:*:*:*
6.4CPE matchmatch criteria
cpe:2.3:o:freebsd:freebsd:6.4:release_p3:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.3HIGH

AV:N/AC:M/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
21.90%
Probability of exploitation in next 30 days
EPSS Percentile
97.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
ExploitDB: EDB-12762 · May 27, 2010
This CVE's current EPSS score of 0.2190 is in the 88th percentile among its peer group of 8,914 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

blog.pi3.com.pl
bugs.debian.org / cgi-bin/bugreport.cgi
secunia.com / advisories/39963
Vendor Advisory
secunia.com / advisories/39966
Vendor Advisory
secunia.com / advisories/45136
security.freebsd.org / advisories/FreeBSD-SA-10:05.opie.asc
Vendor Advisory
securityreason.com / achievement_securityalert/87
securityreason.com / securityalert/7450
securitytracker.com / id
securitytracker.com / id
site.pi3.com.pl / adv/libopie-adv.txt
debian.org / security/2011/dsa-2281
exploit-db.com / exploits/12762
securityfocus.com / bid/40403