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CVE-2010-1646

22
FAUCET Score

CVE-2010-1646 describes a privilege escalation vulnerability in sudo versions 1.3.1 through 1.6.9p22 and 1.7.0 through 1.7.2p6. The flaw lies in the secure path feature's improper handling of multiple PATH environment variables, potentially allowing local users to gain privileges through a crafted PATH value. With a CVSS score of 6.2 (AV:L/AC:H/Au:N/C:C/I:C/A:C), this vulnerability requires local access and high attack complexity but can lead to complete compromise of confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.3.1CPE matchmatch criteria
cpe:2.3:a:todd_miller:sudo:1.3.1:*:*:*:*:*:*:*
1.6CPE matchmatch criteria
cpe:2.3:a:todd_miller:sudo:1.6:*:*:*:*:*:*:*
1.6.1CPE matchmatch criteria
cpe:2.3:a:todd_miller:sudo:1.6.1:*:*:*:*:*:*:*
1.6.2CPE matchmatch criteria
cpe:2.3:a:todd_miller:sudo:1.6.2:*:*:*:*:*:*:*
1.6.2p1CPE matchmatch criteria
cpe:2.3:a:todd_miller:sudo:1.6.2p1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.2MEDIUM

AV:L/AC:H/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
HIGH
Authentication
NONE
Exploitability Score
1.9
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.46%
Probability of exploitation in next 30 days
EPSS Percentile
37.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0046 is in the 72nd percentile among its peer group of 1,595 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: sudo-0:1.7.2p1-7.el5_5
View patch

Vendor Advisories (1)

redhatCVE-2010-1646Moderate

sudo: insufficient environment sanitization issue

May 28, 2010

References

lists.fedoraproject.org / pipermail/package-announce/2010-June/042838.html
lists.fedoraproject.org / pipermail/package-announce/2010-June/043012.html
lists.fedoraproject.org / pipermail/package-announce/2010-June/043026.html
lists.opensuse.org / opensuse-security-announce/2011-01/msg00006.html
bugzilla.redhat.com / show_bug.cgi
secunia.com / advisories/40002
Vendor Advisory
secunia.com / advisories/40188
secunia.com / advisories/40215
secunia.com / advisories/40508
secunia.com / advisories/43068
security.gentoo.org / glsa/glsa-201009-03.xml
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10580
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7338
wiki.rpath.com / Advisories:rPSA-2010-0075
debian.org / security/2010/dsa-2062
mandriva.com / security/advisories
osvdb.org / 65083
redhat.com / support/errata/RHSA-2010-0475.html
securityfocus.com / archive/1/514489/100/0/threaded
securityfocus.com / bid/40538
securitytracker.com / id
sudo.ws / repos/sudo/rev/3057fde43cf0
ExploitPatch
sudo.ws / repos/sudo/rev/a09c6812eaec
ExploitPatch
sudo.ws / sudo/alerts/secure_path.html
Vendor Advisory
vupen.com / english/advisories/2010/1452
vupen.com / english/advisories/2010/1478
vupen.com / english/advisories/2010/1518
vupen.com / english/advisories/2010/1519
vupen.com / english/advisories/2011/0212