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CVE-2012-2977

27
FAUCET Score

CVE-2012-2977 describes a vulnerability in Symantec Web Gateway 5.0.x before version 5.0.3.18, where a flaw in the management console allows remote attackers to change arbitrary user passwords through crafted input to an application script. This vulnerability has a CVSS score of 5.0, indicating a medium severity, with a low attack complexity and no authentication required, leading to a potential impact of unauthorized password modification. While not listed on the KEV catalog, exploit code is publicly available on ExploitDB, including a Metasploit module, though there is no evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
5.0CPE matchmatch criteria
cpe:2.3:a:symantec:web_gateway:5.0:*:*:*:*:*:*:*
5.0.1CPE matchmatch criteria
cpe:2.3:a:symantec:web_gateway:5.0.1:*:*:*:*:*:*:*
5.0.2CPE matchmatch criteria
cpe:2.3:a:symantec:web_gateway:5.0.2:*:*:*:*:*:*:*
5.0.3CPE matchmatch criteria
cpe:2.3:a:symantec:web_gateway:5.0.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.78%
Probability of exploitation in next 30 days
EPSS Percentile
84.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
ExploitDB: EDB-20706 · Aug 21, 2012
This CVE's current EPSS score of 0.0278 is in the 78th percentile among its peer group of 23,701 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 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

Vendor Patches (3)

envoyvendor investigatingvia llm_extracted
mozillavendor investigatingvia llm_extracted
pythonvendor investigatingvia llm_extracted

Vendor Advisories (3)

mozillallm-mozilla-4ab84f513ef72fb2CRITICAL

[R1] Symantec Web Gateway (SWG) Multiple Vulnerabilities #2

Jul 20, 2012
envoyllm-envoy-39f119db2d2a9d0fCRITICAL

[R1] Symantec Web Gateway (SWG) Multiple Vulnerabilities #2

Jul 20, 2012
pythonllm-python-92ee919411aadd1bCRITICAL

[R1] Symantec Web Gateway (SWG) Multiple Vulnerabilities #2

Jul 20, 2012

References

kb.cert.org / vuls/id/108471
securityfocus.com / bid/54430
symantec.com / security_response/securityupdates/detail.jsp